With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams.BENEFITBottom bracket with small ball bearings for lightweightBENEFITAdvanced seal construction for smoother rotationBENEFITWeight: 65g (SM-BB9000) 54g
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With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams.
BENEFIT
Bottom bracket with small ball bearings for lightweight
BENEFIT
Advanced seal construction for smoother rotation
BENEFIT
Weight: 65g (SM-BB9000) 54g (SM-BB92-41B)
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