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Rotor
Aero Round Outer Ring

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Out of Stock

Don't worry though, we have a lot more Road Chainrings in stock than that.

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Why We Like The Aero Round Outer Ring

Saving watts is just the beginning with the Rotor Aero Round Outer Ring. Built for 110 BCD Rotor 4-bolt crank the aero outer ring is engineered to be incredibly stiff and offer an aero advantage over traditional designs. The ring uses cut-outs and a ramped shape in the aluminum to redirect airflow in a smooth pattern.


Details

  • Aerodynamic chainring for Rotor cranks
  • Aluminum material is strong without a weight penalty
  • 110 BDC 4-bolt can fit more than just rotor cranks
  • Popular choice on track and time trial specific bikes
  • Item #RTR1WUB
Material
aluminum
Number of Rings
1
Teeth
[outer] 46t, 50t, 52t, 53t, 54t, 55t, 56t, 58t
Bolt Circle Diameter
110
Connection
4 bolt
Claimed Weight
140g
Manufacturer Warranty
2 years
Activity
cyclocross, gravel, road cycling, time trial