CeramicSpeed Bottom Bracket BB BSA for Shimano/SRAM DUB Road Bearings BB68/73mm
- Save watts and ride faster with guaranteed lowest friction, optimized power transfer, and longest product lifetime- External BSA, English threaded bottom brackets featuring anodized aluminum cups- Coated: metallic layer that covers bearing races making them 75% harder than steel. Even lower friction and highly resistant to corrosion- Standard: low drag with hardened steel races and ceramic ball bearings- Mountain versions for 73mm bottom bracket shells or Road specific versions for 68mm bottom bracket shells- Offered in 24mm for Shimano, FSA, Race Face, etc, and 28.99mm for SRAM GXP![](https://image.pushauction.com/0/0/bf53de8a-0744-4389-9a0c-66917ac443dc/94ee41ed-1847-4cc5-aa76-01631d7f82b7.jpg)