11C1/3/5/7 BB Installation Tool
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
Code 11F4
․ 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