Questions tagged [bearings]

A bearing is an interface between parts that turn and parts that do not. The hubs in the wheels contain bearings, as do the bottom bracket, the head tube, and the pedals.

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Which ball bearings to put in Union K10491 pedals?

I am trying to put a neglected bicycle back on the road. It has a pedals marked with W. GermanyK10491. Google search revealed that they are Union K10491 pedals. I have found good pictures on ebay. My ...
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Why is my upper headset bearing now pressed into the cup?

This is on my mountain bike. After returning from a ride a month or two ago, I noticed my threadless headset had developed some play. Ever since then, I've had to retighten it occasionally, maybe ...
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Headset replacement for Fit Bikes BMX

My son has a Fit BMX bike, seems to be a normal 20" setup. However, the head tube appears to have an inside diameter of 1 3/8", and every BMX headset I'm seeing expects that diameter to be 1 1/4" ID. ...
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How to reinstall a freehub with cartridge bearings?

My road bike's freehub has an issue - the outer part of the body has about 1mm of play against the axle, resulting in a wobbly cassette. The freehub still functions but it needs replacing. It's a ...
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What bearings go in DT Swiss R23 Spine Disc (FW,RW,Freehub)?

I am not longer able to pedal or back-pedal freely. Coasting still works, so I suspect my freehub bearing is the problem. But man... I've been searching for hours now and can't seem to find what ...
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Formula hub - fixed cone on the axle

Does anybody have the diagram for a generic Formula hub axle assembly? It has a fixed cone on one side of the axe with no spanner flats. I'm not sure which side of the hub this is supposed to go on ...
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Dyno moto 7 headset bearing setup

I have a dyno moto7 cruiser made in 97 i removed the forks to paint the frame and there were 3 bearings that came out when the forks were removed. No one can figure out how the third bearing goes back....
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How to mount Ohlins TTX22M to a 2018 Yeti SB 5.5

How do you mount a Ohlins TTX22M (17.87 x 2.25" - 16mm eyelet) shock to a 2018 Yeti SB 5.5? I previously removed a Fox DPX2 which had vastly different mounting hardware (it turns out). The Ohlins ...
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140 views

Schwinn Spirit Trailer - Bearing Repair

I bought a used Schwinn Spirit trailer and have converted it into a flatbed to use on a self-supported tour. I'm working on the wheels right now, but I am having trouble removing the old sealed ...