Originally Posted by
50voltphantom
Is there a torque spec for installing Sugino crank arms?
From Sugino:
The torque is 12-16N.m.
However, this torque specification is appropriate
under the condition that the SG75 cranks are used with the NJS parts.
I usually use around 32-38 N.m or 23.6-28 lb.ft for all square taper crank bolts and never have any problems.