Material: Our bike bottom Bracket Crafted from ceramic materials. Sealed ceramic bearing inside, Low noise, more durable, smoother, high temperature resistance, high speed. Precision machined threads, high-strength aluminum alloy, CNC process,lightweight and durable
Shell Width: Width 68-73mm, english BSA thread,works for any kind of MTB and road bike frame with thread.
Compatibility: Bottom bracket hole diameter is 24mm. Come with 22mm washer, suitable for 22mm/24mm crank spindles
Quality and Service Guarantee: EVOSID provides satisfaction and hassle-free customer service. If you encounter any problem during installation, please contact us for a satisfactory solution, we will do our best to provide the most sincere service to our customers!