With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams.
Bottom bracket with small ball bearings for lightweight
・Advanced seal construction for smoother rotation
・Weight: 65g (SM-BB9000) 54g (SM-BB92-41B)
SHIMANO Chain CN-M8100...
PRO Bottle Cage Smart
UFO Drip All Conditions Oil...
ALE Corsaro Bandana Unisex
ALE Air Summer Gloves Unisex
Glueless Patches
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Bottom Bracket Sm-Bb92-41B Dura-Ace
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