Upgrade your stock bottom bracket. For Cross, Mountain, or rainy muddy environments, 440C stainless steel are a great choice to cut down on maintenance and weather the stormy rides to come. This material will not rust or corrode, and to help them last, we use a 4 mm diameter ball that has +50% mass compared to the competition.
- Fits BB90/95 frames with 37mm ID
- Suitable for chainsets with 24mm axle
- Stainless Steel Angular Contact bearings