Removing rear hub cogs....the Rustjunkie way.


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fordmike65

Riding a '37 Colson Imperial
Mar 4, 2012
19,197
34,816
East Los
#1
Wanted to swap out the 9t rear cog on my girl's '40 Twinflex to a 10t for easier riding on this portly broad. I took @rustjunkie's advice and it worked like a charm. Thanks bud!

If wheel/hub is out of frame:
Loosen lock ring (it has a reverse thread) just a bit.
Put hub or wheel into frame or bike with a crankset and chain on it.
Attach brake arm to brake arm strap, tension chain, tighten brake arm strap nut/bolt and axle nuts.
Apply the brake with controlled leverage.
Cog will break free, stopped by lock ring.
Remove wheel/hub from bike/frame.
remove lock ring.
remove cog.

If the wheel is already in the bike, you can loosen the lock ring a bit without removing the wheel.
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bricycle

I'm the Wiz, and nobody beats me!
Nov 18, 2009
22,264
7,186
Chicago area west
#3
Ed Norton (Honey Mooners): "Your hand is very dirty"
What's the hammer for?
 

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