Wheel bearing size

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graymee
Posts: 395
Joined: 13 Jan 2007, 10:11pm
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Wheel bearing size

Postby graymee » 27 Nov 2016, 7:18pm

I know my MTB rear hub has loose ball bearing but without taking it apart and measuring them I don't know what size. Is there a standard size of ball bearings for MTB hubs? 3/8" or 1/4" or does it vary from hub to hub?
I'm not old and cynical, I'm realistic!

Brucey
Posts: 32690
Joined: 4 Jan 2012, 6:25pm

Re: Wheel bearing size

Postby Brucey » 27 Nov 2016, 8:08pm

they are usually 1/4" in a rear hub.

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rjb
Posts: 3101
Joined: 11 Jan 2007, 10:25am
Location: Somerset (originally 60/70's Plymouth)

Re: Wheel bearing size

Postby rjb » 27 Nov 2016, 9:47pm

Unless its a quando freehub. In which case it may be 9 X 1/4" on the left side and 10 X something smaller probably 7/32" (wish i measured them when i dismantled it). This was a Dawes branded hub BTW. Best to check when you open it up just in case. :wink:
At the last count:- Focus Variado, Peugeot 531 pro, Dawes Discovery Tandem, 2 Dawes Kingpins, Raleigh 20, Falcon K2 MTB dropped bar tourer, On One Pompino, Longstaff trike conversion on a Falcon corsa. :D