Shimano XT BB-MT800 Hollowtech II Bottom Brackets.

• Designed for use with Shimano 24mm MTB cranks
• Uses high quality sealed bearings
• Defined Color: Black
• Bottom Bracket Shell I.D.: 1.37
• Spindle Interface Type: Shimano Hollowtech II
• Weight: 82.1
• BB Shell Width (mm): 68
• BB Shell Width (mm): 73
• keyword search: bb70
• keyword search: sm-bb70
• BB/Frame Interface: English