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Bike is best! - Supporting cycling in the UK

Rotor R-Hawk/R-Raptor Crank Axle Standard QF black (2020)

ID: 641595
- £4
Incl. VAT, excl. shipping costs
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Product Description
OPC Mount
Rotor's patented technology of ‘OCP mounting’ a Q-ring makes all the difference: the individual adaptation of oval chainrings to the crank arm enables the biomechanical advantages of the system. The crank arm, spider and direct mount chainrings of the new Hawk and Raptor Enduro cranks can be adjusted independently thanks to Rotor's patented gearing. Each user can adjust his individual setup to the optimal position for him. 

The different positions of the "OCP Mount" technology (Optimum Chainring Position) allow an individual adjustment of the Q-rings at up to 5 positions. This fine micro-adjustment is the secret for a very individual set up of oval chainrings to the needs of the rider. It’s thus possible to prevent or eliminate knee problems, optimise the effectiveness of the crank rotation or improve traction on the MTB and cyclocross. Position your chainrings with Rotor's "OCP Mount" system for the most efficient ride. OCP is only available for the Rotor Q-rings.


  • sus. Bottom bracket: PF30, BB30, BSA
  • catenary curve: 49.5 mm
  • Q-factor: 164 mm
Crank axle  
Compatible with
Rotor R-Hawk/ R-Raptor crank  
material details
7075-T6 / CNC-machined/ Axle diameter: 30 mm  
Weight: 133  g
Content / delivery size
1 Rotor crank axle standard QF excl. crank arms / bottom bracket  
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