A sealed-bearing Bottom Bracket set that allows 24mm type axle cranksets to be installed on frames with BB30 type direct fit BB shells.
BB 30 bottom brackets are typically designed to suit 30mm axle diameter cranksets.
The majority of Shimano high-end cranksets (e.g. Ultegra/105 etc) feature a 24mm diameter axle. Several SRAM cranksets also feature a stepped 24/22mm axle.
- Sealed bearings
- Inner spacer tube
- CNC alloy spacers & Circlip
24/22mm SRAM type
24mm Road type Shimano axle