WHICH eBIKE MOTOR IS THE QUIETEST? - Noise Test on The Best 7 EMTB Motors!

Riders, welcome back to Sam's Bikes where we only talk ebikes. Sam's Bikes is conducting the largest electric mountain bike motor test on KZbin for the next six weeks.
We will be conducting a comprehensive test on seven of the best e-bike motors that will be available in 2024. These motors include the Specialized Turbo System that uses the Brose S-MAG motor, which produces 90 Nm of torque, the Bosch CX Race Motor with 85 Nm of torque, Shimano EP801, which also produces 85 Nm of torque, the Giant Syncdrive Pro System that uses the Yamaha PW-X3 producing 85 Nm of torque, the Bafang M510 that produces 95 Nm of torque, and finally, the Rocky Mountain Dyname 4.0 which has a torque of 108 Nm.
We will be conducting a comprehensive test on seven of the best e-bike motors that will be available in 2024. These motors include the Specialized Turbo System that uses the Brose S-MAG motor, which produces 90 Nm of torque, the Bosch CX Race Motor with 85 Nm of torque, Shimano EP801, which also produces 85 Nm of torque, the Giant Syncdrive Pro System that uses the Yamaha PW-X3 producing 85 Nm of torque, the Bafang M510 that produces 95 Nm of torque, and finally, the Rocky Mountain Dyname 4.0 which has a torque of 108 Nm.
We would like to thank our amazing sponsors, Schwalbe, Quad Lock, Crankbrothers, and Topeak, for making this possible. And we would like to express our gratitude to each and every rider for their support.
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Chapters
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00:00 WHICH eBIKE MOTOR IS THE QUIETEST? - Noise Test on The Best 7 EMTB Motors!
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[@volneicycle]

Top video, we didn't have any big surprises and at the same time no big problems and that's good. We are looking forward to the next chapters.

[@SamsBikes]

Thanks mate the next video is going to be hard but it’s super interesting

[@TheLastMoccasin]

Best EMTB reviews anywhere.... hands down. Thanks for all your dedication to detail!!

[@SamsBikes]

Rider thank you 🙏 so much for this comment you have no idea how much it means to me!

[@mariop.4898]

Great comparison test, very interesting. I would see it that way based on what I saw in the video. Looking forward to the next episodes.

[@SamsBikes]

Cool, 🙏

[@beatrizgasco4776]

Another great video! Theses motors are all so good it’s so difficulty to know. Thanks for the info

[@SamsBikes]

Thanks Ride massive project but we love the raw data

[@germantoledano1104]

I can see many different opinions here, that’s very good for everybody, discussions and opinion exchanges is what we need to have better motors year after year. Well done Sam, not many e-bike channels covers all the aspects of a motor.

[@SamsBikes]

Thanks Rider it’s a massive project but so interesting and I love that everyone has different opinions

[@jeanmarc_in_Hudson]

Nice comparisons, looking forward to ep3 👍

[@moosicman101]

This was exceptional! Thanks for being the first to do something that everyone else was sleeping on. Please do one for the SL's too!

[@SamsBikes]

Thanks rider definitely keen to try in with the SL motors

[@michaelcibula9552]

Great stuff!

[@SamsBikes]

Thanks 🙏 rider

[@ryanmichels2981]

I have a kenevo with the brose motor. Love it for how quiet it is, power, smooth, etc.

[@SamsBikes]

Totally agree 👍 great motor

[@SonnyDarvishzadeh]

Thanks for the video!

[@SamsBikes]

You're welcome rider

[@jamesandbrendaoates7637]

Another great video Sam. The Specialized is definitely the quiet one. We have a group of five ebikes, 2 Rocky Mountains, 2 Specialized Levos and a Devinci Shimano EP8 Spartan. The Devinci is by far the noisiest when we are riding up a steep trail. That Shimano motor has a higher pitch whine than the other 4. Looking forward to your range test.

[@mikerbwind]

Well done trying to do this test.....noise levels (db) and pitch/frequency are complex things to measure subjectively but I think what you demonstrated was that none of these motors create enough noise to discount them for any bike purchase. The frame material and design certainly makes a big difference ( as you pointed out) and in my experience the kinematic of the rear triangle/shock tune also make a big difference when freewheeling downhill.

[@SamsBikes]

Thanks Rider it’s very hard, honestly on the trial and back in the studio all Motors sounded different but after hours of analyzing I’m happy with my results. Definitely there are so many factors and not a easy subject at all but thanks for the kind words

[@desrosij]

Interesting, the Rocky PP 2021 and under as practically no noise from the motor, on the other hand, the cranking noise from the pedals is louder than the 4.0. Great video, one of your best series yet :)

[@DwightCovell]

Great video.

[@SamsBikes]

Legend Riders episode 2 of the biggest electric mountain bike motor test that's ever been conducted. I'm pretty sure haha This week its all about the Sounds going up and down... let me know which you think is the winner?

[@PabloOlea59]

Is amazing how quite are the Broses. The belt sistem works quite good. The new Levo looks so rad!!!!

[@19bootsy68]

Sam, have you a bit dirt in your dropper on the Giant for the Yamaha test. Sounds like theres a little non Yamaha PW-X3 noise there. Great video as always. Good to see you getting a couple of more sponsors onboard 👍🏻.

[@conradthatcher3362]

Great test,you are an enthusiastic energetic bloke, very little difference between the brands, i own a 2023/2024 Turbo Levo Expert with the new GX gears, however the motor was replaced without a hassle under warranty after a few 100km- because it was too noisy .My previous 2022 Comp Carbon was far more silent.

[@SamsBikes]

Hahaha 😂 yep after 4 coffee ☕️ thanks for the kind words yep the Levo is very quite

[@NathenToZuo]

can you stop talking while performing the noise test, how am I supposed to hear a difference

[@SamsBikes]

Wow 🤩 really another happy customer

[@barrygoh5840]

I’m so pleased with the new Yamaha Moro 07 the new software is amazing the power delivery is so much better than the Bosch. If it wasn’t for your commitment to making the videos and doing the reviews I wouldn’t have purchased an e bike. It’s been so interesting watching lots of different content to get the right bike . Thanks for making it all possible 👍😎

[@bydenver]

12:12 I've had in my hands : - Bafang M620 (1st generation with large sprocket) - Bafang M620 (2nd generation with small sprocket) - Bafang M510 - Bosch CX performance - Yamaha Syncdrive pro Taking into account the emitted sound volume + frequencies (high or low), I rank these motors as follows: 1st - Bosch CX performance 2nd - Bafang M510 3rd - Yamaha Syncdrive pro 4th - Bafang M620 (2nd generation with small sprocket) 5th - Bafang M620 (1st generation with large sprocket) I'm really torn between putting the Bafang M510 in the 1st position and the Bosch CX in the 2nd position... they are very similar. I find that noises with low and non-constant frequencies (which fluctuate in frequencies and volume) are the most unbearable. The M620 1st gen is horrible, never buy it! The M620 2nd gen will always be at the bottom of the ranking, but it can be tolerable if you're not looking for silent rides.

[@SamsBikes]

Thanksm

[@arielmartinimach6550]

Sam, when are you going to test the all new turbo levo alloy ohlins edition?

[@lozetchells9164]

For those of us for whom noise really matters on a bike this was a really interesting video and I'll definitely bookmark it for when i choose my next EMTB. I have a Bosch CX (non race) bike and a Brose Levo and i have to say i couldn't agree more. The CX is a fantastic motor, but the Levo beats it hands down on noise uphill and down, to the point where the CX bugs me if I'm riding it straight after the Levo. After a while i tune it out a bit.

[@SamsBikes]

Thanks for the comment rider! Totally that’s why I started this series it’s not just one thing that makes the best ebike motor for 2024! Sound for me is massive for me and range I think my most important factors

[@cadriver2570]

Most people want a quiet motor, and the motor noise is one of the biggest turn offs for these mid drive e-bikes. The manufacturers know this and have been attempting to prioritize quietness in the engineering process. CX was an absolute no-go for me on noise, especially when the Brose exists and is so quiet. Bosch has some quiet motors, but their Speed and CX are too noisy.

[@Rideoak]

Love my SL 1.2

[@PhilosoFox]

Tests should have been recorded in a laboratory on an artificially decelerating test stand. Maybe do a coop with some speaker test guy from the Hifi community. they can also show you the differences in noise frequencies! Cheers

[@SamsBikes]

Haha ok I’ll try when my channel is as big as Mr Beast

[@jamdwan]

Shame that the Giant Reign was the 2022 model frame and motor. Slight changes in frame and motor postiioning now could have an effect on sound results. Have a 2023 Reign now as your Giant Reign video that you did using the lowest spec and doing the upgrades. Couldnt be happier. Love the Vids Sam!!! Keep them coming.

[@topheavy7616]

My Trek Rail with a Bosch motor creaks, whines and rattles like a frog singing opera while shaking maracas in one hand and banging a xylophone with the other. Love the bike though and just get on with it.

[@AdMoerman]

Can you also compare with te Pinion MGU? You tested this moter a few months ago, so probably you do remember that noise.

[@SamsBikes]

I spoke to them for month but they didn’t have a few motor to send

[@kevinmortimer1883]

i have noticed my pwx3 sound has increased over the year i have owned it. still pretty quiet. ❤

[@SamsBikes]

That’s a great point

[@oettam20]

The Dynamee 4,0 is the quiter of all the motors and the louder of all the transmission. I’m not able to detect motor sound when in trail and trail+. And I owned the Brose, shimano and bosch as a conparison

[@SamsBikes]

That’s a very good point t

[@sjaan7370]

I agree, the Dyname is the quietest motor over all. Even though the Giant and Brose are quiet, they are much more whinier than the Dyname.

[@chuckduck]

My friend have a rocky mountain Dyname and i have a Giant syncdrive pro2. We are on the same page that the Dyname is way more silent than the Syncdrive pro. The Dyname have a grinding noise, and the syncdrive have a high pich noise. But all this is subjective.

[@SamsBikes]

Yep it’s really hard to rate them in order as they are different sounds and pitches

[@LanWeisberger]

Excellent video I wish I saw before buying a new bike with the Bosch SX. Grizl:ON from Canyon bought without a test ride. I have several generations of Brose motors on 3 specialized bikes. Vado and 2016 Levo Fat are near silent in all modes and cadence. The 2019 Levo Carbon comp is rather whiney on the uphill but only when it is really quiet. Now for the biggest disappointment - my new Canyon Grizl:ON with the Bosch SX motor. Like the power but the whine at higher cadence while climbing is obnoxious. Thinking it was a deal breaker but could not find another bike with the power and torque that the SX delivers. And the clunking is real. Also when cadence is not putting lots of pressure on the pedals then the engagement of the SX motor is sloppy and "clunky".

[@SamsBikes]

Thanks 🙏 for the comment mate sorry to hear your not happy with SX

[@zarintms]

Hi bro, I think the motor sound issue is very exaggerated, before I bought my top of the line Pivot AM I watched a lot of videos including your channel, I was very worried that I would be annoyed by any sound, but in fact when slowly rolling down a forest track or trail I never once noticed it. Thanks for your work, likes and respect. (and yes I bought the Quadlock it's just a blessing not having to take my phone out of my pocket to find the trail, thank you). Tell me what kind of glasses you have? :)

[@SamsBikes]

Thanks Rider! I’m stocked you got a Quad Lock you loving it? My glasses are Oakleys sutro retro I think 🤔

[@cadriver2570]

Not exaggerated. It's highly annoying. Keep in mind the ability to hear high frequencies diminishes with age.

[@darrenmaguire9171]

Brose motors seem to all be a bit different , I put it down to belt alignment ( I've had 3 replacements on one levo gen 3 bike and my new levo gen 3 bike is more noisey - like the gasgas)

[@tst09]

Best and most important test I have ever seen!

[@SamsBikes]

Wow 🤩 thanks so much rider!

[@airzillarocks]

Back at HQ... 😎🤣

[@SamsBikes]

Hahaha 😂 yep in the garden 🪴

[@thewrx2600]

I would have mentioned if the bikes were alloy or carbon, as that makes a big difference with acoustics. Also, an actual tool for measurement, like a db meter, or something that measures pitch/tone, there is a scientific name for it that I can't recall atm.

[@maxdergroe9082]

To be very honest, when I ride my bike with the Perf. Line CX I love banging through the gears and hear that motor rev like a little baby bike engine up and down.

[@steelgtr]

Did he test the Orbea Rise motor?

[@SamsBikes]

He did not but I did test the same motor in the canyon EP801

[@steelgtr]

@@SamsBikes But the rise is tuned down to 65nm, right?

[@andrewford9974]

Dripped out with merch on Merch

[@SamsBikes]

So I don’t understand?

[@ddsgardening7437]

What are u going to do when Barbie wants her bike back?😂😂

[@SamsBikes]

Not sure 🤔 great question but

[@FilSan86]

For me the dyname motor is somehow a surpruise. I thought it would be much louder. The CX noise was always a total dealbreaker for me. I cant stand the high pitch winning artificial noise.

[@bdude4u]

Id like to see a test after all the bikes have been ridden for awhile. The motor sound changes after about 200-300 miles.

[@SamsBikes]

Actually all these motors have a few hundred kms on the apart from the Rocky which is brand new

[@alessandropataro4422]

my 2023 Specialized Levo is 13 months, with 5400km. After more than 5 thousand km, the motor noise is still the same......it's VERY quiet in lower assistance modes, while in Turbo mode it's still not very noisy, sounds just about the same as in Sam's video.

[@bdude4u]

@@alessandropataro4422 Weird. Ive had 6 Levos and they all got louder after a few months of riding.

[@KostaPendarovski]

Lucky seventh rides with newton wiener and not newton meters 😂

[@siriosstar4789]

A total non issue for me. i've ridden the first , third and fourth generation bosch , the brose and the BMZ . they all make some sound but nothing i would consider irritating or annoying . after all , it's a motor and motors have moving parts , hence the "noise " . my thing is reliability and torque .

[@brendansherlock6442]

Crankbrothers are the worst and best pedals i have had. Best grip on the stamp 7 but nearly killed me when the axle snapped. Was just trail riding. Second set broke apart with a minor rock strike. Not had any issues with two other brands but i cant go back to Crankbrothers, once bitten...

[@SamsBikes]

Sorry to hear that mate! Maybe I can get a free set of pedals and shoes 👠 sent out to you to try and make it up?

[@michalmalanowicz7595]

Sam, I like your channel very much, but I find the engine noise test pointless. I have 4 bikes with Bosch CX engines, from different years. Each one sounds different and each one gets louder over time.

[@SamsBikes]

You do have a point there I’m just trying to cover all factors and everyone asks

[@blakkpatron]

I think implementation can play a huge factor in this as well

[@PhilosoFox]

Also using a different peddaling cadence and / or producing different Nm of support and draining different W/h from the battery will end with different noise levels.

[@federaldelii]

First 🙋🏻‍♂️

[@SamsBikes]

haha hey mate did you like the video

[@charlieharper4975]

Bafeng and EP801 are worst.

[@arielmartinimach6550]

Sam, when are you going to test the all new turbo levo alloy ohlins edition?