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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Mesh behind knee maximizes ventilation
CFC’s and solvents
these lightweight
smoothest shifts by HYPERGLIDE+BEAM SPIDERLighter and stiffer constructionReduces cassette inertia resulting in faster acceleration and increased chain securityMICRO SPLINE10T lowest sprocket realized by new FREEHUB body construction
Shimano outer casing cap with long tongue and inside diamter of 4 mm for polymer coated road shift cables
Shimano Bottom Bracket Dura Ace SM-BB92-41 Press Fit Valve Extension Mesh behind knee maximizes ventilationDURA 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 seal construction for smoother rotation PRODUCT SPECIFICATIONS MODEL NO SM BB92 41B SERIES DURA ACE R9100 Series Average weight 54 HOLLOWTECH II bottom bracket Press Fit type Press Fit bottom bracket shell