BBB Crankcase for hollowtech 2 crankset. The box can be used for frame width 68-73 mm

Thread: BSA 1.37" x 24 TPI

Frame width: 68-73 mm

Colour Black

For the mounting of the crankcase, a trigger for hollowtech 2 must be used.

Before screwing the crankcase into the frame, it is recommended that it be lubricated with grease, for easier removal and that the box will not be able to snag.