ACER RACING PF-BB86 Ceramic Bottom Bracket (Shimano, 86.5mm Shell)

BB86-equipped bikes allow more room for newer designs of chainstays and seat downtubes. Our press-fit BB86 option for Shimano Road Cranksets does not have internal threads and has a 41mm inside diameter with a shell width of 86.5mm. Includes our World Champion ceramic ball bearings. Weighs only 65 grams.

This is for 24mm crank spindle size.