Working alongside their 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 their top-end carbon and alloy cranks. Helix Race GR cranks easily exceed ASTM 5 standard - a work of art made to take a beating.55mm Chainline with Helix chainrings (chainring sold separate)170.5mm Q-FactorCompatible with Helix Race, Helix Plus and Helix Steel chainringsNot compatible with SL or UL ChainringsHelix Race GR Cranks give discerning gravity riders the confidence to go big; stylish alloy cranks deliver durability and a solid under-foot feel while featuring an attractive CNC finish and weights comparable to carbonExceeds ASTM 5 standards for Downhill, Bike Park, Enduro and Freeride applications to provide the ruggedness riders demandForged, CNC Machined, AL-6066-T6 arms and 30mm AL 7050-T7 spindleCranks include: molded crank boots, protective polymer decals, APS adjuster, and self-extractor systemItem SpecificationsBB IncludedNoChainline/Hub Compatibility141/148 Boost HubsChainring BCDDirect Mount e*ThirteenColorBlackCrank Intended UseMountainCrank Length (mm)160Defined ColorBlackDrivetrain Speeds11Drivetrain Speeds12Number of ChainringsNo Rings IncludedPedal Spindle9/16"Spindle Interface Typee*Thirteen P3 ConnectWeight584 e*thirteen Helix Race GR Crankset Crankset EAN: 4711280346561