Split Ring design allows for non shouldered bearing retention
Uses replaceable, full complement bearings (21531): 21.5x31x7mm
Installs with 8 notch, Truvativ or Park (BBT-8) ISIS tools
M15 crank arm mounting bolts not included
Specifications & Identifiers
Bottom Bracket Thread Type
English
Shell Width (mm)
68/73
Spindle Length (mm)
No Spindle
Spindle Type
Shimano Hollowtech II
Tree Fort ID:
333222338192
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