Shimano Pressfit BB bearings servicing - Tiagra Bottom Bracket Inside

Рет қаралды 79,092

Күн бұрын

Пікірлер: 36

@rosscomery7044 2 жыл бұрын

Love the sound of the clock in the background . Takes me back to grandma's house sat in front of the fire. no phones no computers but great time's

@LongNguyen-cn3md 2 жыл бұрын

Holy cow, this is much easier to understand than videos from “professionals” like park tool and gcn stuff, they always try to make videos complicated and don’t help at all. Thank you!

@sfluk7000 3 жыл бұрын

This is my ever seen best video for BB maintenance, thanks pal!

@jonaslo6011 3 жыл бұрын

thanks a lot. you just safed my weekend ride with my friends, since my bearings were full of mud and bike shops are already closed

@pedromiguelcaldeira2312 3 жыл бұрын

Thanks mate, help me a lot! I dint take them out but cleaned and added grease with a pistol!

@SuperBodul 3 жыл бұрын

There is actualy no need to take them out. I just did it because nasty rust remover and degreaser.

@CasualBikeRiding 3 жыл бұрын

Thank you, very useful and helpful video

@keiranmarley4052 3 жыл бұрын

Just a little tip for next time, you don't need to remove the crank arm pinch bolts fully, just loosen them until no tension is on them. ;)

@akosszollosi6159 2 жыл бұрын

In that case you need to lift/rotate out the thin plastic bit which has a tiny pin on it that engages in a hole on the crankshaft.

@jeffbrunton3291 3 жыл бұрын

I also remove the seals and clean / add grease rather than replace at least once or twice. Because there is usually not enough grease inside. But you have to be careful removing the seals as you can damage them. I have not been able to get replacement seals, which would be really helpful. Then I just use the ParkTool hammer tool to remove the bearings and replace with new ones. If I take the entire bearing out I would just replace the entire bearing as hammering them out can damage them. With your tool you can remove and then reinstall, must get one. I will look for the SKF ball bearing grease in future, good tip, I assume it is better than regular say Shimano grease at least for bearings. If you ride in the wet a lot, Morgan Blue Aquapaste is good, on the outside of the seals

@SuperBodul 3 жыл бұрын

You are correct about seals, they are made from soft metal and rubber and you can bend them, but also you can easily bend them back. However no need to beel too carefull about plastic cups/sleeves - plastic is quite tough

@christopfrs 2 жыл бұрын

@Bodul: have u more Photos of the pressfit tool removal?

@turbotron1 2 ай бұрын

This dude is a menace!

@denizbaklac9493 3 жыл бұрын

I tried to lubricate my BB-72 pressfit bearings but I could not take the inner seal out. I think Shimano made it realy disassemble proof :)

@Catson91 5 ай бұрын

What if that plastic cover for me is broken? It broke on its own, and left pedal feels loose, but bearings inside still look good.

@nahuelmachado1185 Жыл бұрын

Hola, de donde sacaste la copa para extraer el rodamiento?

@andreasr6632 10 ай бұрын

First of all Shimano Hollowtech II cranks have a 24mm spindle , 25 mm is Campagnolo. Secondly Shimano bearings are 24x37x7 for the Hollowtech II series cranksets. Campagnolo Power Torque series use 25x37x7 commonly known as 6805 and the Ultra Torque series 25x37x6 6805 N(arrow).

@ScrubsIsee 3 жыл бұрын

Thank you for this excellent video. Like the idea with the syringe a lot! Which brand is the tool from, you’re using to reinstall the cups? Looks great!

@SuperBodul 3 жыл бұрын

Brand is Unior, but every press will work

@ebi3141 4 ай бұрын

You need to massage the grease in to the bearing with your thumb. It wont get past the cage by just squirting it on the top.

@MaceWanted 2 жыл бұрын

are u sure that the bearing size is really 25x37x6? I was looking for new ones and found some enduro and "noname" brand ones, NTN SKF etc. are only having 25x37x7 bearings. I am wondering if these will fit aswell although they are 1 mm thicker

@SuperBodul 2 жыл бұрын

Yes, shimano uses custom 6mm by Sunhill - thats what makes it harder to replace, standard size is 7mm. Look my other video on my channel, i replaced mine with 7mm FAG but then you have some things to sort out

@jeffbrunton3291 3 жыл бұрын

Great advice, thanks

@atomus0916 3 жыл бұрын

Im kinda newbie with parts so i wanna ask what are the size of the bearings for that?

@SuperBodul 3 жыл бұрын

This is BB-RS500-PB bottom bracket for 86,5x41 mm bb shell, more about the bearings itself is explained in my other video: kzbin.info/www/bejne/sJKnZ6CGZch4i5Y

@atomus0916 3 жыл бұрын

@@SuperBodul thank you so much! By the way are KSM Bearings good? They're the only japan made bearings i see in the online shop for my area.

@SuperBodul 3 жыл бұрын

I dont know anything about KSM

@atomus0916 3 жыл бұрын

@@SuperBodul okay, thank you so much!

@janplexy 3 жыл бұрын

Pričaš ti engleski, ali sam ti po naglasku odmah čuo da si naš 😅

@marcogme 3 жыл бұрын

Min. 2:50 Boom and he scraches the plastic seal.

@andrevlasenko 5 ай бұрын

минус. так делать нельзя с подшипниками! Если выпрессовывать подшипник за внутренние кольцо, то вы тем самым убиваете его, после этого его нужно заменить, но так это дешёвая деталь, проще купить новый комплект и запрессовать. В вашем же случаи, если хотели почистить и смазать, то это можно сделать не выпрессовывая.

@whynotride327 3 жыл бұрын

You do realize that a rubber mallet is the correct tool for pounding, right? The are bolts, not screws and I have no idea why you removed them completely.