M-wave 68mm square bottom bracket. The compact bottom bracket Carousel BB BSA SQ weighs only 218g. With CrMo hollow axle, Dacroment coated.
Features:
- Inner bearing: JIS-square
- Housing width: 68mm
- Axle length: Various
- Material: steel, special hardened, Darcomet coated
- Thread type: BSA
- Cups: Alloy
