
Helix Race Alloy GR Cranks
Working alongside our World Cup DH and Enduro athletes, e*thirteen engineered the new Helix Race GR Cranks. These Forged AL-6066-T6, CNC-sculpted aluminum cranks are designed for the rigors of downhill, big bike park laps, enduro, and freeride. The Helix Race GR shares the spindle design and low-profile shape with our top-end carbon and alloy cranks, with 83mm and 73mm spindle options. Helix Race GR cranks easily exceed ASTM 5 standard — a work of art made to take a beating. Exceeds ASTM 5 standards for Downhill, Bike Park, Enduro and Freeride applications Forged, CNC Machined, AL-6066-T6 arms and 30mm AL 7050-T7 spindle 73mm and 83mm spindle options for enduro and DH bikes Available in popular gravity crank arm lengths, 160mm and 165mm Molded crank boots, protective polymer decals, APS adjuster, and self-extractor system included 83mm crank requires the Helix GR Chainring. 73mm crank requires a standard Helix chainring.