1)Material: steel. 2)The surface treatment can be ED,UCP ,CP. 3)Best quality in the same price.

1.Type D axle can be matched with M35*1,B1.37*24T in-thread joint and square hole on the crank(with fastened screwnut).

2.JL-NO-101C

QTY:60SETS

G.W:21KGS

MEAS:33*24*17CM