Rotor Round Ring Bcd110X4 42T(54&55) 12-11S Inner

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Features

  • Precision-engineered round inner chainring for 12/11-speed road groupsets.
  • Pairs with 54T or 55T outer rings for aerodynamic performance.
  • Crafted from CNC-machined aluminum for maximum stiffness and accuracy.
  • Ideal for high-performance road cycling and racing.

Specifications

  • Teeth: 42T
  • BCD: 110x4
  • Speed Compatibility: 12/11-Speed
  • Position: Inner

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