Description
Brass coated surface
Washer: Silver or zinc coating
Crank Pin: SCM-415 chromoly, hardness RC 58-62
Road SCM420 chromoly, double honing on both top and bottom bearing holes
Top/bottom bearing: SCM415 chromoly with silver coating for added heat resistance
Washer: Silver or zinc coating
Crank Pin: SCM-415 chromoly, hardness RC 58-62
Road SCM420 chromoly, double honing on both top and bottom bearing holes
Top/bottom bearing: SCM415 chromoly with silver coating for added heat resistance
