11C1 Bb Tool For 44Mm-16T

Description

3/8" square hole can use for combining torque wrench & storing on the wall. No need to dismantle the 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