Race Face

Race Face SIXC Cinch BMX Cranks (Arms Only) 170mm

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  • Regular price £399.00
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Introducing the lightest production DH rated carbon crankset on the planet. Proudly designed, tested and manufactured in our Canadian facility with US sourced carbon and aluminium. SIXC combines proven Race Face proprietary hollow arm technology with our new Cinch interface and the renowned strength to weight ratio of the original SixC crankset making it ideal for BMX set-ups.


  • The crank arms are completely hollow with all unnecessary material being removed from the centre core - no internal aluminium spine.
  • Industry standard 30mm spline interface CNC machined from a newly commercialized aluminium super alloy that is 20% stronger than 7050 alloy (the alloy commonly used in this application).
  • Reinforced BMX specific 104mm spider
  • BMX specific axle to suit 68mm BB shells.


  • Built for: BMX.
  • Size: 165, 170, 175mm.
  • BB:
    • BSA30 (68/73 & 83).
    • BB92/BB107 press-fit.
    • PF30.
    • BB30.
  • Weight: 620g (w/o BB).
  • Chainline: 47mm.
  • Colour: Matte Carbon.
  • Installation Instructions.