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Fragile - must be Italian
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Discussion Starter · #1 ·
What are the torque specifications for crank arms on an old-school square taper bottom bracket spindle? And do I grease the arms? Or no?

Thx...Doug
 

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Old man on a bike
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12,395 Posts
Personally I don't grease the tapers, but some say to do it...just don't overdo it with the torque when you grease IMO. General recommendation is in the range of 300-440 in/lbs, if in doubt check manufacturer recommendations for your specific cranks.
 

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don't grease the taper. you risk pushing the arm further up the taper; thus you risk having to use more torque than is necessary or safe (you might damage the tapers)...

35-45 Nm

Then check the new install every few rides.
 
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