Old 05-11-12, 06:29 PM
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mvanderk
Retired & Riding
 
Join Date: Feb 2009
Location: Fla-winter, NC Mtns-Summer
Posts: 84

Bikes: Bottechia, Nashbar touring, Trek 3800

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How to remove frozen crank from external bearing BB.

FSA megaXo crank/external bearing BB. Crank is being stubborn. Their is surface rust on the cups so I assume some rust has developed between crank and bearing surface. For the record I removed the non-drive side crank arm then tried to pull the crank out by hand from the drive side. No luck so tried using a rubber mallet to help start it. Still no luck. At that point tried a wood block with a hammer and still will not budge. Also laid it on it side and added some penetrating oil between the crank and bearing and let it set for a few hours (both sides). I'm somewhat reluctant to pound real hard as the frame is carbon and do not want to damage it.

Am I missing something?
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