Shimano XT BB-MT800 Hollowtech II Bottom Brackets.

• Designed for use with Shimano 24mm MTB cranks
• Uses high quality sealed bearings
• Includes 3 x 2.5mm spacers
• Spindle Interface Type: Shimano Hollowtech II
• BB Shell Width (mm): 89.5 , 92
• Bottom Bracket Shell I.D.: 41
• BB/Frame Interface: BB89.5 , BB92
• Defined Color: Black
• Weight: 68.2