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Old 12-10-2012, 06:19 PM   #15
bmwrench
Beastly Adventurer
 
Joined: Nov 2006
Oddometer: 2,005
I never heard of using a penny in the end of the crank until recently. I screw a short 8mm socket head bolt into it. This protects the end of the crank and helps keep the puller screw centered.
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