Re: [CR]Stuck Crankarm Dustcap

(Example: Bike Shops:R.E.W. Reynolds)

Date: Fri, 30 Sep 2005 22:16:03 -0500
From: "John Thompson" <>
Organization: The Crimson Permanent Assurance
Subject: Re: [CR]Stuck Crankarm Dustcap
References: <> <000901c5c619$92ecc640$6101a8c0@MainPC> <000301c5c61c$e76b9ae0$449cbc46@ownerejujeippx> <000701c5c61d$899e95b0$449cbc46@ownerejujeippx> <000b01c5c61e$7dfae3c0$449cbc46@ownerejujeippx>
In-Reply-To: <000b01c5c61e$7dfae3c0$449cbc46@ownerejujeippx>

Eric Elman wrote:
> I've got a Stronglight 93 drive side crankarm mounted on a frame and I
> can not get the crankarm dustcap removed. The cap has a stripped allen
> hole in the center (came to me that way, really). So far I've tried:
> Penetrating oil
> heat on the cap but not on the aluminum arm
> punch with a hammer to try and drive cap to turn which ended up actually
> tearing the steel cap....
> .... all to no avail.
> Any ideas, tips, techniques or magical spells I can use to get this very
> stubbern cap off?

Try drilling a couple holes near the outer margin of the dustcap so you can put a pin spanner on it.

John (
Appleton WI USA