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Old 11-06-2012, 10:08 AM   #52
Gnarly Adventurer
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Joined: Apr 2009
Oddometer: 370
All your bearings seem to have some scoring. I would replace all of them. Never grind an airhead crank, they tend to break if its done. There are different theories why, but the rule is don't.
Just buy new standard big end bearings and leave the crank standard.
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