For 20 years now, XTR has stood for the best. Even with a component as simple as a modern bottom bracket, which is basically two bearings and a sleeve, it’s easy to see the precision, almost artistry, that went into its design and production. The Shimano XTR M980 Bottom Bracket is compatible with 68mm and 73mm bottom bracket shells and comes in black. Right and left BSA.
- Threading: English
- Shell Width: 68 mm, 73 mm
- Recommended Use: mountain biking
- Lightweight to offset the weight disadvantage of the drivetrain.
- Smoother rotation
- Better sealing performance durable enough for mountain bike usage
- Approx Weight: 73g