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ROTOR 公路 圓齒環 BCD110x5 外齒環 破風 黑色

MOP$1,020.00

商品描述

Weight:
171g per set 52/36

Sizes:
Outer - 58A, 56A, 55A, 54A 53A, 52A, 50A
Inner - 44, 42, 41, 39, 38, 36, 34t

Characteristics:

  • - 100% CNC-machined, 7075-T6 aluminum alloy
  • - Aero design: reinforced rigidity and aerodynamics
  • - Steel shifting pins
  • - Designed to work with all 9, 10 and 11 speed groupsets
  • - Some cranks require specific Q-Rings