DURA-ACE Bottom Bracket - Press Fit - HOLLOWTECH II - 86.5 mm shell width With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams. FEATURES Bottom bracket with small ball bearings for lightweight Advanced sea
DURA-ACE Bottom Bracket – Press Fit – HOLLOWTECH II – 86.5 mm shell width
With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams.
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