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$41.99
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Bottom bracket with small ball bearings for lightweight
Advanced seal construction for smoother rotation
Specifications
THREAD IN OR PRESS IN | English thread,Italian thread |
SHELL WIDTH | 68mm,70mm |
CUP DIAMETER | N/A |
WEIGHT | 65.0g |
SERIES | Dura-Ace |
GENERATION | R9100 |
SPINDLE LENGTH | N/A |
CRANK INTERFACE | Threaded |