․ 3/8" square hole can use for combining torque wrench & storing on the wall.
․ No need to dismantle crank arm, you can lock the BB adaptor directly.
11C1：16-Notch 44mm O.D. cups
11C3：16-Notch 41mm O.D. cups
11C5：16-Notch 39mm O.D. cups
11C7：12-Notch 46mm O.D. cups
․ Product Dimensions : 15x8x0.4cm
․ Weight : 0.31kgs
․ Color : Silver / Black
․ Material : Cr-Mo Steel
