Splined bottom bracket for use with Shimano OCTALINK MTB and Trekking cranksets. Sealed cartridge design with oversize ball bearings provides maintenance-free usage and high performance, while rubber seals protects from dirt, mud & water.
Type: BSA
Shell width: 73 mm
Axle length (OPTIONAL): 113 mm OR 118 mm OR 121 mm OR 126 mm
Axle Type: Octalink (MTB)
Bearings: steel
Axle: steel, CR-MO, 22mm
Bottom Bracket Cup: plastic (left), steel (right)
Weight: ~ 265 g (113mm)
Compatibility: FC-T521, FC-T4010, FC-T3010-8, FC-M523, FC-M522, FC-M4000, FC-M3000-8
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