Reviewing the Losi Lasernut U4 RTR Rock Racer Buggy

We've got the brand new Losi Lasernut Tenacity 1/10 Scale U4 Rock Racer, capable of 4S LiPo use, for all-terrain domination. Today, we check it out in the studio, perform a few speed runs, and then bash it. How did the Lasernut do? Keep watching to find out.
Losi Lasernut:
Black: www.amainhobbies.com/losi-las...
Blue: www.amainhobbies.com/losi-las...
Spektrum Smart Battery & Charger:
4S 100C 5000mAh LiPo: www.amainhobbies.com/spektrum...
3S 100C 5000mAh LiPo: www.amainhobbies.com/spektrum...
S1100 AC Battery Charger: www.amainhobbies.com/spektrum...
Need a GPS Speed Meter?
www.amainhobbies.com/skyrc-gp...
For all of your RC needs visit AMain Hobbies: bit.ly/XcAuJr
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[@questionably_xavier9177]

I swear I want every RC you guys review

[@carsonpeterson844]

Fax

[@robertmiller3770]

Great overview of the Lasernut. I have watched many of these on KZbin and your review is one of the best. Your enthusiasm is contagious. I have the Lasernut and love it so far!

[@smallstatenate]

i just cant get over the name, like who said yoooo lets call it The LazerNut

[@mojaverc1585]

F34RFIASCO well it is the name of the real truck but the name is still weird😂

[@vari.x2522]

@@mojaverc1585 same thing applies to the real truck

[@coltonmcclure1885]

Lol it is a laser cutting company...

[@blindfox1443]

Ladies need safety glasses

[@tomsummers8976]

LazerNut is the name of the metal fabrication company that built the real U4 car. Our fabrication company does work with them from time to time here in So Cal.

[@airtimewithaarav1910]

man, everything about these videos looks so professional! it is awesome, the editing filming A and B roll, everything!

[@basementracer7622]

Absolutely love this vehicle, can easily see me picking one up. Thanks for the great reviews

[@james.d.8044]

It's sooooo good looking ,definitely gonna be my first RC, I've been watching all of your videos for months now ,Great Job 👍💯

[@burn1gotbeats]

You guys do the best reviews 💯

[@loum7008]

Thanks for the great review!!!. I got one and am having a blast with it. Running it in the Northeast the terain is totally different. Great fun on the trails!!! Not getting nearly the speed as your runs. I got 30 with 4S on the 12T. I got 26 with 3S on the 14 tooth. Not too important though as you pointed out. Thanks again!!!

[@soflorclife6970]

Excellent overview and test runs 💯 really love this rig!!

[@jonspikes4935]

Got mines it came today took it for a quick spin loving it! BEAST!! Getting ready to do a lil work on it gonna smooth the edges on the front drive shaft housing where the tire mounts

[@drjavogel]

Useful, comprehensive, and polished review as always Brett. It doesn't matter who's driving, cuz in the world of RC, obstacles happen!

[@TABRO284]

Really good video with clear useful information.

[@albundy6284]

Great video Brad, just bought the Lasernut on sale last xmas and can't wait to take it out! Much appreciated how in depth you cover this product.

[@G__Mason]

How’d you like it? They got them on sale in my local shop for $399 and I’m debating on grabbing one.

[@albundy6284]

@@G__Mason It is basically a 4S tenacity. Not sure if it will hold up to the power with these big tires. Tire hanging off the back definitely limits handling so I removed it.

[@albundy6284]

@@G__MasonIt is basically a Tenacity with oversized tires. Looking at it I am not sure it is going to hold up with the big tires. Same components as my Tenacity except different kV motor.

[@G__Mason]

@@albundy6284 yeah that’s what I’ve gathered as well. I ended up ordering the DB Pro, supposed to be here today actually.

[@rezaulislam3336]

Like the way u present it dude!

[@MAGICFLY02]

Got one a couple of weeks ago, it’s awesome.

[@iPilott]

The name of this buggy sounds like something Homelander "The Boys" would do

[@nathandavies2677]

I really like the rock racer types, the ultimate basher!

[@jonspikes4935]

Wow!! So excited just ordered mines the blk one ough! I can't wait 👍👍👍💯

[@Idontlikethisever]

I like this guy. Awesome reviews

[@nomusicrc]

Thank you for this video I have seen this at my local hobby shop and I knew nothing about it now I do

[@justinbeaver6847]

So badass looking and love the scale bfgs

[@jomiongoo]

I'm so happy u reviewing the losiiii yipeee

[@RcBasherBoi]

I love it! Very capable in my book!

[@doubleaaaron]

One million miles and hour! Lol funny stuff man. Great looking vehicle. I'm really thinking about picking one up.

[@stpbasss3773]

Losi loves these rock racers lol. This looks pretty cool.

[@thevix1234]

Love mine!!! It has soooo much torque I broke a front dog bone making a hard turn it must have jammed and tore off when I accelerated 🤙 out already got it up and running.

[@AMain_Hobbies]

Wow! Glad you have it fixed and running already. We'll keep an eye on that part with our buggy. -Brett

[@jknewb6276]

Looks really fun to run! I'd be very happy having Brett upload daily....at least 3 days a week minimum. Give us morrrrrreeee!!! Thanks for your videos!! 😎🤘

[@nenarica1852]

Oo

[@davet9655]

Definitely the best looking RC car on the market. It can jump too!

[@bacongl]

I want one of these so bad but the SCX10iii broke me for awhile. I absolutely love seeing this 1:1 at Axialfest. I wish they would have included the thumb extension on the transmitter.

[@voorheeslaz70voorhees12]

Nice!! Thanks for sharing I also just subbed to ur channel.👏🏼🤘🏼From Denver Colorado

[@AMain_Hobbies]

Hey! Thanks for joining. -Brett

[@longrider8265]

Ive been having a blast with mine. Only breakage was my fault - curbs v. RC = RC will likely not win

[@AMain_Hobbies]

True. Those curbs put up a hard fight. -Brett

[@theclan4adventures]

You've had yours for a few months now still like it? I'm looking for fun trail rigs for my kids and I and was looking at crawlers and other stuff..we had axial and trx4's in the past.. younger kids get bored with them easy. Im wondering if these would be worth a look and if I can turn it down (throttle end point maybe) what are your thoughts if you don't mind?

[@longrider8265]

For kids I would go with something with more bash survivability. I love my Lazernut but would say is more of a racer / gravel runner than a jumper / bashed. Depending on the age of the kids they may like more of a high speed brasher. If they found a stock TRX-4 boring consider going with a brushless motor in one - much faster and the drive train is pretty stout to handle it. The two speed transmission means you can ‘run’ in high and still crawl in low - great for a do all trail truck. I’ve never been much of a basher but am debating a Maxx myself. I have a trx-4 on brushless and its great. Lazernut wont crawl or do slow stuff well but great fun on a fast dirt trail.

[@theclan4adventures]

@@longrider8265 thanks for the info. I've been in the rc hobby since the clodbuster and bruiser first came out..lol and ive had all of them give or take .. im not a basher either and like scale stuff a little more than just going fast..but you know how kids are ..first question is usually "how fast is it" .. trx4 sports on 3s were plenty fast and I might look into them again.. take a summit 1/10 make it closer to stampede size keep the 2 speed trans selectable lockers and make it run on 1 battery id buy 5 myself lol the twin hammers is still to this day one of my favorite all round vehicles but you know... Discontinued.

[@iramonnig882]

I picked up the blue one. I recommend swapping out the front steering with the Ten SCTE one. The steering posts wont work (metric vs SAE) but its ok as the stockers work fine. This removed ALL of the steering slop. Dropped in the Castle MMX & 1800kv, Futaba R334SBS & 4PM, MKS 500oz servo, SCTE Fr/Rr TiNi shock shafts, 1.8 shock pistons, 50w F/60w R shock oil, replaced steering bushing with bearings, installed aluminum front & rear chassis braces (rear required modification to fit), removed upper plastic chassis brace, Lunsford titanium turnbuckles, and placed all lights on Ch3 switch from Apex RC. Reliability hasn't been an issue but with all the TEN platforms available, its easy to get parts if I do break stuff. I did purchase (4) more tire/wheels because they are so great. The ground clearance and ability to scale tough obstacles with sensored operation & then still run 25-30mph is fantastic. It helps that the Lasernut is a good looking vehicle.

[@AMain_Hobbies]

Good tips! -Brett

[@mikecabardo]

Horizon Hobby sent me LOSB3564 as replacement shafts, haven’t installed them. Do they stop the grinding when turning?

[@airguns_rc]

Really cool buggy.

[@STEVOD313]

Its on my list to get!

[@AMain_Hobbies]

I'd like to see this list! -Brett

[@chrissmarduksrccarcarnage4940]

Lovely Lazer 🌰...👍😁

[@nathanson6523]

omg this is upper park! That’s where I live, and Amain Hobbies is my local hobby shop

[@loum7008]

Great video and review !!! This helped me decide to go get one. About 15 packs in, doing trail runs, the rear diff went. First off, Losi support has been excellent and sent out parts immediately. On KZbin others have had diff issues. My failed it seemed like due to the case not being able to support the pinion bearing. That got loose and munched the case. I replaced both front and rear bearings with Losi TEN SCTE 3.0 diffs. All has been fine over the last dozen packs driving it hard. My recommendation for buyers is to wait for v2. My 2 cents. Thanks!

[@BigJim5754]

Thanx for sharing. I reeeeaaallllyyy want it but I'm gonna wait. Maybe a Traxxas Slash Ultimate to hold me over lol

[@loum7008]

@@BigJim5754 Hi James, I want to add this, the Lasernut is by far the RC I use most. I have about 300 packs through it since November. Looking at my Spektrum 4S battery I can see that it has been charged 90 times. I mostly run 3S on trail so 300+ is a real number. Vitavon has made an aluminum rear diff housing for the Lasernut. I have it on order. It isn't a basher so the Traxxas is for that. On trail in New England the Lasernut goes everywhere. Fyi: I have a Typhon which I think is a great alternative to the Lasernut. It's bullet proof and needs mods out of the box. Upgrading the transmitter was nice for me, I added an AVC reciever so it's easier to do speed runs. It will do anything with the right tires. I have Proline Avengers for pavement, stock is good offroad and jumping it 50 plus feet, and buggy tires to make it handle on dirt. Hope this helps!

[@BigJim5754]

@@loum7008 Thanx! I've spent several days reading/watching stuff bout the Lasernut and other rc's trying to figure my 1st purchase. Not any racing yet (not even sure if/where theres a track near me) but I have a nice park and railroad tracks with fire roads right next to me so I'll be "bashing" mostly I think. I've almost come full circle back to Lasernut and just excpet I'll be upgrading some stuff like the Diff u mentioned. Good way to learn repairing I guess lol. Kinda also looking at the Kratons or maybe a rock rey 1/8. So many fun looking choices!

[@loum7008]

@@BigJim5754 Cool! I do take the Lasernut on the railbeds near my house. Works great. I do have a Kraton 6s V5 which is awesome too. I put the Infraction, Lasernut and Typhon on a Spectrum DX5C transmitter. That is a great upgrade although the DX3 with the Lasernut is probably the best rtr transmitter out there. I have a Traxxas TQi for my TRX4 and that's good too. The Traxxas Slash Ultimate looks like great choice too. I ended up getting different RCs for different uses. I did just get an Arrma Bigrock. Inexpensive and tough. It just hangs in the air. 85 percent of the time that RC is doing backflips. If you think of it post back what you end up picking up. I'd like to hear what you think of whatever that ends up being!

[@loum7008]

If I had to choose only one $500 rc it would be the Typhon V5.

[@GreatLakesRC]

Looks cool aside from the rear tire that sticks way out past the body 🤔 I like that it's 4s and independent suspension. Still like my Rock Rey though and this looks like it is similar size 👍

[@DDTotalfitness]

I had a Lasernut. I really liked it. I broke a piece from doing a little bashing.

[@uhnogood]

Grab some teken axles, rpm skid plates and bumper and its excellent. Oh and also a heat sink and fan . I absolutely love mine its performed great.

[@2nd_boiledtea867]

I like how you also included km/hr

[@covermchone99]

PLEASE PLEASE do a unboxing and review of the losi super baja Rey 2.0 and vs them PLEASE

[@Deltax5]

This is what i want. Is there a tougher one thou? preferably on amazon or something? Or will this do. just want to do some off road and on road stuff at the park. This thing looks like a beast. But those parts did fall off.

[@AverageRCBasher]

I got one two weeks ago, now I’m drooling over the new Baja Rey

[@AMain_Hobbies]

Me too! -Brett

[@covermchone99]

Amain hobbies PLEASE PLEASE do a unboxing and review of the new losi super baja Rey 2.0 I would appreciate that

[@AMain_Hobbies]

@@covermchone99 If we can we definitely will! -Brett

[@bobsennick7403]

I'm loving my Lasernut despite some early reliability concerns. It's only my second car and it's waaaaay more capable than my Rustler 4x4 VXL. Fast and stable! Lots of upgrades planned, both big and small.

[@brainiacproductions6031]

How’s it holding up

[@bobsennick7403]

@@brainiacproductions6031 Hah. Bad day to ask. Broke another front drive shaft today! I had a rear diff bearing go a while back, that was a mess. I wouldn’t say bad, really, but it’s an ongoing project. Very tempted by the nice Vitavon upgrades! :)

[@brainiacproductions6031]

I’m sure that upgrade will make a big improvement. Glad to hear you that you enjoy it though!

[@joshpit2003]

Very cool. What is the total vehicle weight, including a typical 3s battery?

[@RickyD1968]

Cool video ! I do not understand why Losi did not include a motor fan or real leds ???

[@loganlemx]

nice i want one

[@deltazero3796]

1000 $ for you.

[@justink.2368]

Didn't need to see another review of the 'nut, but watched for the jokes, and jokes there were :D

[@ben31uk]

Any good for sand. I would be using on the beach. And is it waterproof for saltwater?

[@DoubleClutchProductions]

This deserves a Megalodon Blake Wilkey Edition Proline body

[@mikecabardo]

People keep breaking the drive shafts. I barely ran 3 packs before my first breakage. the drive shaft grinding against the wheel hub when turning might be the culprit, but also why are people breaking the rear? Been definitely babying this truck as it breaks often :(

[@TrailTribune]

Can you put on regular 2.2 tires and say vanquish wheels or do you need 3.0 tires/rims on the inside for clearance? I am not a fan of 2.2/3.0 stuff because of tire availability. Looks like a super fun vehicle though. How is the durability for you guys running it out there? There are no carpet/clay tracks by me so the U4RC stuff is right up my alley...just put out and make an improvised track in nature!

[@AMain_Hobbies]

We tried it with some generic 2.2 crawler wheels/tires and there is some slight rubbing but I think it could be doable with a wider hub. -Brett

[@Friskee62]

Funny video...nice job.

[@bfoo805]

It just jumps up!!! I’m dying lol

[@chrisjames5823]

i want this one

[@longthanly7061]

Powerful RC buggy 👍

[@lazy986]

Ran my rtr straight outta the box, like 5 times on very simple terrain and my front dif is shot. PLEASE. Tell me the Tenacity parts are the same and available. Part numbers would be a plus. Not upset, yet. But time will tell. Was Hella impressed up to this point. Thank you for your input.

[@AMain_Hobbies]

The diff gears should be the same. The exploded diagram is saying these gears are for the front diff: www.amainhobbies.com/losi-tenacity-differential-gear-set-w-hardware-los232029/p637297?r=0 Hope that helps! Thanks for letting us know. -Brett

[@AMain_Hobbies]

Just noticed that package includes only two small planet gears when the differential requires four. You may need two packages... -Brett

[@lazy986]

@@AMain_Hobbies Expecting more problems with this, I ordered 8 replacement packages at $12 a package, well, $11.99 plus tax from a local hobby shop. Being a man of my word and always supporting the locals I paid for them all... even though ALL 4 planet gears were in each package. You informed me and I just informed you. No harm done. Thanks for helping me out and we've all just learned a little more. DO IT IN THE DIRT! Peace. Lol

[@AMain_Hobbies]

@@lazy986 You are correct! Thanks for the tip. We're working on updating our photos. Hopefully you don't have any more issues after this! -Brett

[@kellykuretich6366]

Cool buggy. Hope its better than the rock rey, which always is breaking.

[@michaelisler9920]

Hey Brett! Keep up the good work buddy! I have an opinion question for you that I'd really appreciate your input on. I'm looking for one do-it-all, all-around all-terrain basher. I've kind of narrowed my list down to a Lasernut, a 1/10 Maxx, a 1/7 Mojave V2, or a Losi Super Baja Rey 2.0. If you had to have one RC to do it all, what would you choose? I know these aren't all direct or even that close of competitors to each other, but these are the ones that I'm most interested in. I live in the Milwaukee, WI area just fyi. I've been in the hobby on and off for roughly 20 years (just turned 34 today), owned a bunch of stuff mostly Traxxas, such as E-Maxx's, Stampedes, Slash's, but also some Losi and Team Associated stuff. I most recently just sold my 2 trucks, an E-Revo 2.0 and UDR to fund my next RC purchase. That's some background. I considered an X-Maxx as well so maybe add that to the list of possibilities. I really like the new Spektrum smart technology such as transmitter telemetry with battery fuel gauge, and I love stuff with LED lighting kits (such as Lasernut and SBR 2.0, or the Maxx optional kit). I want something that looks awesome, is fun and capable both on and off road, is durable and reliable, and generally gravitate towards models with special features like the aforementioned LED lighting kits, battery telemetry, self- righting, AVC/TSM, etc. That's why I'm pretty much considering Lasernut / Maxx / X-Maxx / SBR 2.0 / Mojave. Just really wondering your opinion, if you had to choose one of those for your only all-around RC, what would it be and why? Thank you so much for reading and for your time in advance, it's much appreciated!

[@AMain_Hobbies]

Hey Michael. Those are some great vehicles you're looking at! Personally, I'd probably go with the Mojave or SBR for their size and extra power. And between them, I'd pick the Mojave over the SBR for it's simple and easy to work on chassis. I'm not a fan of working on bottom-loader vehicles like the SBR, SRR or UDR, but that's just my nit-picky bias. Someone else out there probably prefers working on them.. you never know. I hope my two cents have helped. You have a good decision to make, and they're all fun choices! -Brett

[@michaelisler9920]

@@AMain_Hobbies Thanks so much Brett! Definitely helps!

[@johntaylor6243]

Preorder only.

[@trimmin420]

Can you turn the lights off without unplugging the wires?

[@Lex-Rex]

Man I really want to do a kit, but these RTR are so damn cool and hundreds less. I just put together a rock crawler build and the damn thing is 800 bucks.

[@willbrown8928]

Still awaiting Horizon CS to respond on my issues with this car.

[@AMain_Hobbies]

Awh man! What issues are you having? -Brett

[@BradHedges]

@@AMain_Hobbies Same here - Horizon never responded to my email either. Broken dogbone, haven't been able to drive it since the day I got it. 😭🙁👎

[@captainjaxx3728]

Not sure about this but could I put those wheels on my 3s arrma senton???

[@jrbmxr2564]

Its funny how some people review this and say it has a 50 foot turning radius and that it sits to low for the big tires

[@walterday8933]

Have you compared the Losi Lasernut Tenacity against the Traxxas E-Revo VXL Brushless, or have any thoughts on a comparison RTR RC to the E-Revo? I have the E-Revo, and I'm looking for something that is comparable or slightly better than it.

[@AMain_Hobbies]

If you already have the E-Revo 2.0, it's tough to find a comparable vehicle to that go-anywhere brute performance. The Lasernut is great, but it's 4S, smaller, lighter, less powerful, and probably less capable than the wide and low stance of the E-Revo. I like the Lasernut too, but I'm not sure if it's going to live up to your expectations. -Brett

[@robertoverdejo6310]

Hi Brett 👋 love your videos you are a natural ✨ one question which other losi buggy about the same size as the lasernut could u recommend.

[@AMain_Hobbies]

Hey Roberto. The Losi Rock Rey is very similar to the Lasernut; take a look: www.amainhobbies.com/losi-rock-rey-1-10-4wd-rtr-electric-rock-racer-blue-los03009t2/p581371 -Brett

[@robertoverdejo6310]

@@AMain_Hobbies thanks👍

[@robertoverdejo6310]

Hi Brett one question I have the lasernut got a smart battery 3s could I still charge it on the smart charger s1100

[@AMain_Hobbies]

@@robertoverdejo6310 Yes, that will work fine. The S1100 can charge up to a 6S LiPo. -Brett

[@robertoverdejo6310]

Thanks Brett you the best 👍 beginners questions 😆 lol

[@CrawlerRuth]

Curious if you had any wear on the axles from the axles rubbing on the outdrive cups? I hear that this is an issue. Please comment.

[@AMain_Hobbies]

The bone of the driveshaft rubs on the diff outdrive cup? I took a glance at our buggy but didn't see anything out of the ordinary. Have you tried contacting Losi about this and letting them know? -Brett

[@BradHedges]

@@AMain_Hobbies Brett, it's all over YT and Instagram... Including my own Lasernut. That stock shaft just can't handle the bigger tires. Techno works, but takes some modification to make it fit.

[@talkischeap7418]

I’m thinking about purchasing this buggy soon, do you think I could swap out the stock system and put in a castle ESC and 3800kv SCT brushless motor system only because I’ve noticed one of my RC buddy is always trying to race me and I hate losing?

[@AMain_Hobbies]

Yes, the electronics are upgradeable but the 4S system included is pretty nice. -Brett

[@rhinonaryder6136]

Mine runs hot on the standard 12t pinion (90C) and even hotter with the 14t pinion (110C+). I'm using spektrum's smart 3s 5000mah 50c and 100c lipos. Why got the esc thermal detection when only the motor get's hot? :C Car must be in flames when using 4s.

[@AMain_Hobbies]

Wow, 110C is way too hot! Are you sure there is no binding in the drivetrain anywhere that might add friction to the system? The thermal protection will activate, even for only the motor, because at 110C the motor magnets will experience permanent, irreversible damage. -Brett

[@andrewkillion1207]

Nice looking Buggy but until Losi improves its spares support they wont be getting my money, I have a Tenacity DB pro which has sat on a shelf for 9 months now awaiting spares but hey why make spares when you can sell new models at 500 bucks, I don't need another paperweight thanks

[@r3versekyvak608]

Andrew Killion same thing but with arrma and. Losi so no more for me me only traxxas they get us parts fast or we go and pick it up I ha ve so many losi and arrmas and traxxas but I agreee with you they don’t

[@andrewkillion1207]

@@r3versekyvak608 Agreed We need to stop buying the latest product until they support the products they already have, customers do not return once they have lost confidence in a brand. My DB pro is a nice looking buggy and currently that is all it is. Perhaps youtube reviewers should mention this when recommending new products such as this?

[@r3versekyvak608]

Andrew Killion my super Baja Rey and a DB pro my traxxas I have all there cars because fast easy spares are available and fast shipping and company S like mip make parts which last forever for traxxas they should because a beginner is gonna get a losi buggy and then they hate the hobby cause it doesn’t come for months I have a order worth 1000 dollars I orders it last year 2019 in September

[@mojaverc1585]

I have never had problems with parts availability with my arrma trucks

[@r3versekyvak608]

Mojave RC ya not that bad with arrma but traxxas is better it takes over. A month to foke

[@rallydogmakes3861]

I got the second to last one available

[@robertoverdejo6310]

Hi love your videos they are a great help to a beginner like me love the advice but I have one question i bought the lasernut and order the smart battery 4s but got the 3s will it still fit perfect and work fine

[@AMain_Hobbies]

Yes it will; the 3S battery will fit and work in the Lazernut no problem. -Brett

[@robertoverdejo6310]

Thanks.👍

[@antoniusekopurwanto2090]

I have new lasernut. Id like to use 6s, its good?

[@brucestephenson5962]

How do I replace the rear sway bar?

[@lioneljm2]

This makes my Yeti seems so last century

[@chriscottell6854]

They should do this as a 1/5 scale

[@Cbam871]

I have this, bought it Monday night fairly new. Broke the steering linkage. Can this do donuts in dirt?

[@AMain_Hobbies]

Oh no! That should be an easy fix though. For donuts, i'm not sure. I imagine it would but we didn't try that. -Brett

[@chunx374108]

At least you’ll have it to look at 🤣🤣🤣

[@kalewitte1263]

when are you going to fit the Traxxas Maxx wide kit and the Traxxas cvd's

[@AMain_Hobbies]

Those probably won't fit the Lasernut. For the Maxx, that might be coming... -Brett

[@year1camaro]

the bomber?

[@Ev0ltion]

Hello, if you were to give 2 pros and cons to lasernaut and dbpro while puttig them aginst eachother what would they be?

[@AMain_Hobbies]

They're the same car pretty much; the Lasernut features more scale details and is 4S ready; the DB Pro has fewer scale details and is 3S ready. -Brett

[@gunsandcommissions]

The Tenacity chassis was great when Losi started it but it just keeps getting better.

[@covermchone99]

Can you do a video about all of your rc cars and there strengthens and weakens

[@AMain_Hobbies]

That would be a long video! -Brett

[@skynetsworld]

I bet this would be a rocket with a 6S LiPo. 😁

[@loum7008]

Hi Brett, I have a question about the Lasernut. I'm trying to find some replacement tires for it and I'm not sure what to get or what will fit. Stock tires are in general good but not good on rocks. I was able to fit these on my TRX4 and I couldn't climb anything. Also the stock wheels look great but the hex is very delicate. Any help is greatly appreciated! Thanks!

[@AMain_Hobbies]

Yeah you bet. I believe the Lasernut uses standard 2.2" Rock Crawler tires and wheels, so you can use any within that category, including glue style, or beadlocks. Here are our categories: 2.2" Wheels: www.amainhobbies.com/2.2-wheels-tires-wheels-rock-crawlers/c9918 2.2" Tires: www.amainhobbies.com/2.2-tires-tires-wheels-rock-crawlers/c9926 Something to keep in mind: Most rock crawlers are slow pokin' and thusly, not effected by heavy metal beadlock wheels. Your Lasernut on the other hand is a high performance machine and extra wheel heft will add some strain to your motor, and likely increase motor temps. It may be an issue, or it may not be, but if do go with heavy metal wheels, watch those motor temps. -Brett

[@loum7008]

@@AMain_Hobbies Thank you!

[@loum7008]

Lasernut Update. Hi Brett, here is what I ended up doing with my Lasernut. I replaced all the diff cases and an axle/hub kit with Vitavon. Pricey but it's bullet proof now (no hard bashing ever on this - Typhon for that). With the Castle sct combo 2400kv power is so smooth. I put G8 2.2 tires on it with Proline wheels. Putting 500k fluid in the rear locks it up nicely for low speed traction on New England trails (way different than CA) but still runs good at higher speed. This is still one of my favorite rc's. Thanks for the videos, I've been enjoying them. Thanks for all the great info helping me get going in RC. I'm totally in now with most purchases from AMain. Crazy sales this past Christmas season. Keep up the great work!

[@tmarkpolansky]

What do you recommend, the Traxxas MAXX or the Losi Lasernut?

[@AllenBePro]

Maxx. I have broke 4 front axle shafts before even drawing the first battery. Weak design. Had to upgrade to the Techno shafts to even get a mild run out of it.

[@strangefingerboardclub]

Witch one do you like more losi baja rey or losi lasernut, i have quite a big dilemma witch one to save for

[@AMain_Hobbies]

The new losi baja rey looks really cool! But we haven't driven it yet. -Brett

[@strangefingerboardclub]

@@AMain_Hobbies i mean that blue ford raptor

[@oahupc4688]

I'm all about that laser nut my girl loves it too

[@smolscale]

Losi ftw 🔥

[@Wazza722]

What would you recommend, the lazernut or rock rey?

[@AMain_Hobbies]

They're both great vehicles but it depends on if you want an independent rear suspension, or a solid axle, and which looks the best to you. Both are great options, and I don't think you'll be disappointed with either choice. -Brett

[@surfside75]

Super Rock Rey 2.0✔️

[@mangodesign98]

The weight of the car ?

[@alecsimmons1120]

Will the Tenacity DB Pro rear wing fit on the Lasernut, If I decide to swap it out for the spare tire? If so can you please send me a link? Thank you very much for your time and consideration.

[@AMain_Hobbies]

No, there is no wing mount. You could fabricate something to work though. -Brett

[@alecsimmons1120]

@@AMain_Hobbies I was checking out the DB Pro, and that wing looked really close to having the same mounts as on the Lasernut! I mean really close... do you know if there's a define difference, or they just don't make one specific to the Lasernut yet?

[@AMain_Hobbies]

​@@alecsimmons1120 I'm not really sure. The two cars are so similar in design and parts used, you may be able to add the DB Pro mount to the Lasernut and use the wing that way. But i'm not sure 100%. -Brett

[@JBUCAO671]

I would of named it the... Juggle Nutts!!

[@georgeruiz7782]

Where do I buy this awesome RC

[@AMain_Hobbies]

We sell it at our shop, www.amainhobbies.com Here is the buggy. It is currently out of stock, but will return shortly: www.amainhobbies.com/losi-lasernut-u4-1-10-4wd-brushless-rtr-rock-racer-black-los03028t2/p1251721 -Brett

[@robertoverdejo6310]

Hi Brett 👋 have another question what does it mean when your spectrem remote smart battery levels starts blinking

[@AMain_Hobbies]

It should be only the last LED to blink, indicating very low power and close to shutdown. Checkout this gif showing the different levels and what they mean: www.horizonhobby.com/on/demandware.static/-/Sites-horizon-master/default/Scene7Images/SPM2340_PP_3.gif Hope that helps man! -Brett

[@robertoverdejo6310]

@@AMain_Hobbies thanks Brett you the best

[@robertoverdejo6310]

I just saw what sent me thanks but on my remote all of the lights were blinking on n off but when I got back home checked the battery and it was 0 zero precent iam charging it now hope it was cause of that and nothing🤞 else is a 3s smart battery thank you for help Brett greatly appreciated.

[@James.._]

They are breaking so many driveshafts that Losi have run out of warranty replacements (Sept2020) and centre diffs are stripping. They look great but I'll pass for now till Losi gets these sorted.

[@garyyoung205]

Stripped a rear diff and centre diff TWICE on mine in about 4 hours of running

[@BIGGBULLxxx]

Which brand of fast acting glue can glue broken rc parts back together again?

[@AMain_Hobbies]

Gluing broken plastic parts together is iffy, but this r/c glue works well with plastics. -Brett

[@BIGGBULLxxx]

what rc glue works well with plastics?

[@AMain_Hobbies]

@@BIGGBULLxxx Sorry, forgot the link. Here you go: www.amainhobbies.com/protek-rc-ca-tire-glue-w-glue-tip-medium-0.75oz-ptk-1570/p465856 -Brett

[@spektrumdx6]

What Winch ? Broke the same part for the bumper support What is the part number? I dont see a full break down parts list ?

[@AMain_Hobbies]

There is a fake plastic winch that sits on the front for looks. For that support piece, the one we broke is included in parts bag LOS231054. -Brett

[@spektrumdx6]

Thank you for the quick reply Brett I should of placed my comment What Winch? LOL Thank you for the Part number I Appreciate it very much .

[@covermchone99]

Can you review the arrma big rock v3 please

[@AMain_Hobbies]

We'd love to if we can get our hands on one. -Brett

[@covermchone99]

@@AMain_Hobbies can you guys PLEASE PLEASE do a unboxing and review of the losi super baja Rey 2.0 I already loved the first one but I here this one is even better