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Shimano DURA ACE Road Crank Arm #FC-R9100

Shimano DURA ACE Road Crank Arm #FC-R9100

DURA-ACE - HOLLOWTECH II - 公路車前齒盤 - 2x11 速


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(outside Hong Kong) free shipping on orders over USD$300 on selected categories

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Description
The choice of the world's best climbers, sprinters, and time trialists, the DURA-ACE R9100 crank drops weigh while maximizing power transfer. The new design, and its iconic look, is adapted for race specific disc brake systems while still offering a wide range of gearing and crank arm length options.

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
Iconic design
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