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SHIMANO DURA ACE 十一速雙片鏈鉼-FC-R9100

SHIMANO DURA ACE 十一速雙片鏈鉼-FC-R9100

HK$3,880.00
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商品描述

HOLLOWTECH II Crankset (2x11-speed)
Series : DURA-ACE
Crank Construction : HOLLOWTECH II technology
Crank Arm Length : 165, 167.5, 170, 172.5, 175, 177.5, 180mm
Bottom Bracket : BB-R9100, SM-BB92-41B
Chain Line : 43.5 mm
Average Weight : 621g (53-39T)

FEATURES
Optimum power transfer
Best balance for lighter weight (-7g) and efficiency
New designed crank arm
Maintains high rigidity and reduces weight
HOLLOWGLIDE
4-arm construction crankset
Adapted for race specific disc brake system
Shorter length of rear center with O.L.D.135mm
Redesign the gear teeth profile to fit wider gear pitch
Rider tuned gearing options
50-34T/53-39T/54-42T/55-42T/52-36T
Iconic design
Crank arm length: 165, 167.5, 170, 172.5, 175, 177.5, 180mm
Gear combination: 50-34T, 52-36T, 53-39T, 54-42T, 55-42T


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