Shimano XTR BB91, BB93, BB94 Hollowtech II Bottom Brackets

• Includes 3 x 2.5mm spacers
• Reduced size for light weight
• New seal construction for smoother rotation
• Requires TL-FC34 or included TL-FC24 adaptor for installation & removal
• Spindle Interface Type: Shimano Hollowtech II
• BB Shell Width (mm): 68 , 73
• Bottom Bracket Shell I.D.: 1.37
• Defined Color: Black
• BB/Frame Interface: English
• Weight: 77