Enhanced Sealing Performance

With enhanced sealing the Shimano MT501 Bottom Bracket results in smoother rotation and increased durability. Utilising HOLLOWTECH II technology shows the optimum balance of rigidity, weight and rotating performance for the ultimate transfer of power to your bike.

• Bottom bracket for Shimano 24mm MTB cranks
• Threaded (BSA)
• High quality sealed bearings
• 68/73 mm shell width
• HOLLOWTECH II technology