Shimano XT Bottom Bracket SM-BB70 BSA
This camp of the 2nd generation of the Hollowtech inner bearing relies on lightweight at the same durability of the older, heavier models.
Bottom bracket: BSA (English thread)
Bottom bracket shell width: 68 mm and 73 mm
Compatibility: Deore LX, SLX, XT and Hone Hollowtech II cranks
Weight: 94 g
Delivery: Braquet including spacer rings.