Rotor SABB Self Aligning Bottom Bracket Bottom Bracket. Floating bearings will swivel to perfect parallel alignment regardless of frame issues.nbsp Item Specifications BB Shell Width 68 mm BB Thread Type English Spindle Interface Type Hollowtech II
Replacement inserts to fit M737 Deore XT and XTR cantilever cartridge pad holders. Shimano M System compatible. Complete cartridge also available. Exactly the same specification as originally supplied, ensuring consistent performance.
