Shimano XTR BB91-42A Bottom Bracket
This bottom bracket fits Specialized frames with 84.5 mm shell width and an inner shell diameter of 42mm.Shimano XTR quality bearing and materials.
Features
- BB Shell Width: 84.5mm
- BB/Frame Interface: Specialized Alloy OSBB
- Bottom Bracket Shell I.D.: 42
- Spindle Interface Type: Shimano Hollowtech II
- Includes 3 x 2.5mm spacers
- Specialized brand frame specific
- New seal construction for smoother rotation
- Manufacturer Part Number:ISMBB9142A
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