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THREADED BOTTOM BRACKET 68/70 MM
BB-R9100
THREADED BOTTOM BRACKET 68/70 MM
BB-R9100

With an advanced seal construction for smoother rotation and small ball bearings to minimize weight, the SHIMANO DURA-ACE bottom bracket is offered in both pressfit and threaded options.

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With an advanced seal construction for smoother rotation and small ball bearings to minimize weight, the SHIMANO DURA-ACE bottom bracket is offered in both pressfit and threaded options.

FEATURE

・Bottom bracket with small ball bearings for lightweight

・Advanced seal construction for smoother rotation

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