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Race Face SIXC Crankset

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SIXC Crankset

The Race Face SIXC Crankset is the lightest production DH-rated carbon crankset on the market, and is designed, tested, and manufactured in Race Face's Canadian facility using US-sourced carbon fiber. The high strength-to-weight ratio and easily-interchangeable chainrings are the highlight of this durable and versatile crank. This option comes with a 68/73mm spindle, making it an ideal choice for riders wanting a lightweight yet strong crankset for their aggressive trail bike or enduro race bike.

Made in-house of ultra-high-density unidirectional carbon fiber, and formed with a proprietary hollow-molding process, the SIXC's arms are like Bruce Lee's: there are bigger ones out there, but virtually none that are stronger. The crank is based on the company's Cinch interface, which allows for the installation of both direct-mount Race Face chainrings in a huge range of available sizes, or a four-bolt spider for the installation of any others. The modular 30mm spindle interface means you can swap out the standard 68/73mm spindle for a DH-ready 83mm one should you wish to install these cranks on your downhill bike in the future. The spindles are made of RF's own "super alloy" that's 20% stronger than the 7050-series alloy most commonly used in crank spindles.

  • The industry’s lightest DH-rated carbon fiber crankset
  • Ultra-high-density UD carbon fiber offers high strength-to-weight
  • Proprietary hollow-molding process allows this impressive feat
  • Cinch interface for easy chainring swaps on race day
  • Comes with 68/73mm spindle to fit aggressive trail and enduro bikes
  • Super Alloy spindle is 20% stronger than common alloy spindles
  • Same cranks can be used with both 68/73mm and 83mm spindles
  • Compatible with most modern frame standards with the right Cinch BB (sold separately)
  • Item #RCFW02J

Tech Specs

Arm Material
hollow carbon fiber
Arm Length
Chainring Sizes
Bolt Circle Diameter
direct mount
Compatible Components
9, 10, 11, and 12-speed mountain drivetrains (except Shimano 12-speed)
Claimed Weight
Recommended Use
downhill, enduro
Manufacturer Warranty
3 years

Tech Specs

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