Shimano
Bottom Bracket BB-MT501 Right & Left Adapter
The Shimano BB‑MT501 bottom bracket is a durable, threaded BSA unit designed for mountain bikes using Hollowtech II 24 mm spindle cranks. Built with reliable steel bearings and compatible with 68 mm and 73 mm bottom‑bracket shells, it provides smooth rotation and long‑lasting performance in all conditions. The BB‑MT501 is a straightforward, dependable choice for any MTB frame with a British‑threaded shell.
Features
• Threaded BSA bottom bracket for 68/73 mm shells
• Compatible with all Shimano Hollowtech II 24 mm MTB cranksets
• Durable steel bearings for consistent performance
• Smooth, reliable rotation in varied riding conditions
• Includes left and right threaded cups
• Primary use: Mountain bikes with BSA threaded shells
Shipping information
Ships in 2–3 business days with free delivery across Canada on orders over $99. Same‑day pickup available Tue–Sat (closed Sun–Mon).
Returns & warranty
Enjoy hassle‑free returns within 30 days on unused items in original packaging (excludes bikes and sale items). Free in‑store returns anytime.