Description:

Helix Race Alloy GR Cranks 160x73mm e*thirteen CS5HAA-106 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.

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, Molded crank boots, protective polymer decals, APS adjuster, and self-extractor system included. 73mm crank requires a standard Helix chainring. Chainline 73mm spindle cranks: Helix Chainrings for 55mm chainline Chainring Compatibility 73mm spindle cranks: Helix Race, Helix Plus, or Helix Steel DM Chainrings Not compatible with SL or UL Chainrings Color: Sterling Silver Frame Compatibility 73mm cranks: All frames with 68/73mm BB shell Features Exceeds ASTM 5 standards for gravity use Forged and CNC machined for optimized strength-to-weight ratio and classic styling Molded crank boots for rock strike protection Adaptive Preload System (APS) Proven P3 Connect polygon spindle interface Included Crankset APS Adjuster BB/Lockring Tool Crank Boots (x2) User Manual Material Arms: Forged, CNC Machined AL 6066-T6 Spindle: 30mm AL 7075-T7 Spindle Specs Width: 73mm Diameter: 30mm Interface: P3 Connect Weight 73mm x 160mm: 584g