The Shimano Deore MT501B bottom bracket delivers higher drive efficiency compared to its predecessor due to improved sealing and better bearings.
• Improved sealing
• With cups and ball bearings and bottom bracket shell
• Hollow axle
• Crankset compatibility: SHIMANO Hollowtech II and SHIMANO Hollowtech II compatible MTB bottom brackets with integrated axle
• Frame compatibility: Suitable for MTB frames with BSA thread 1.37" x 24 Tpi and for bottom bracket shell width: 68/73 mm
• Colour: Black
