| Re: Suggestions for dealing with a "frozen" track cog?
In article <1107288547.669980.31400@c13g2000cwb.googlegroups. com>,
"rcoder" <rcoder@gmail.com> writes:
> I recently decided to switch down from a a 16 to 15-tooth cog on my
> road-conversion fixie. After I picked up the new cog and pulled the
> lockring, I spent the better part of an hour wrestling with the old
> cog, pulling as hard as I could on the chain whip in hopes of freeing
> it. So far, I've been completely unsuccessful.
>
> It is entirely possible that I'm just not strong enough and will need
> some additional leverage, (or the help of a friend with more upper body
> strength) but I just wanted to see what other people's experiences had
> been when switching out track cogs on relatively heavily-used
> "commuter" fixed gear bikes. I assume that any manual force I could
> exert on the wheel (so long as it's relatively in-line with the normal
> rotational and braking forces) shouldn't do any damage to it, but
> wonder if I should be trying solvents or something, rather than
> continuing to attempt the brute-force approach.
>
> Any recommendations would be appreciated.
Just on the off-chance you're attempting this with the wheel off
the bike and the tire off the wheel, and standing the naked rim
upright on the floor:
try putting the tube & tire back on and inflating it. That'll
give your wheel-supporting hand a better grip, and the tire
will help keep the wheel from sliding while you reef on the
chain whip.
Otherwise ... good ol' Liquid Wrench, I guess.
cheers,
Tom
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