Wolf Tooth Bottom Bracket

This model is designed for frames using the BSA threaded bottom bracket standard with a 68 mm shell width. Please verify your frame's bottom bracket shell standard before purchasing, as it will not fit press-fit or other non-threaded systems.

Yes, this bottom bracket is specifically engineered for a 29 mm spindle diameter. It is designed to provide a precise fit for cranksets that utilize this specific spindle size.

Wolf Tooth uses specialized spindle bushings that sit between the inner bearing race and the crank spindle. This design prevents direct metal-on-metal contact, which is the primary cause of the annoying creaking sounds often found in bottom brackets.

No, this unit uses custom-hardened chrome steel bearings. They are treated with a corrosion-resistant coating to ensure durability and smooth performance in harsh conditions without the higher cost associated with ceramic options.

It is built for durability in bad weather. The unit features a multi-stage sealing system that combines o-rings, wiper seals, and a labyrinth end cap design to effectively block water, grit, and mud from reaching the bearings.

Yes, the bearings are serviceable. This allows you to clean and maintain them over time, which helps extend the lifespan of the component compared to sealed, non-serviceable units.