Shimano MT801 BSA Bottom Bracket

The Shimano BB-MT801 bottom bracket at the level of the Deore XT series features high-quality sealed bearings which noticeably extend the service life. The bearing cups with BSA thread are perfectly matched to the interaction with Hollowtech II cranksets.

Spec:
English Threaded 68/73mm 

Material:
bearing cups: aluminum (anodized)
spacers: aluminum 

Weight: approx. 84 g (manufacturer's specification)