E*Thirteen Helix R Crankarms

E Thirteen has love for aluminum. Knowing weight, strength and looks were top priorities for riders, this crank was created. The Helix R is top-of-the-line aluminum alloy crank. Forged AL-6066-T6 arms deliver Enduro strength in XC weights and it took a 3 mm Forged AL-7050-T7 spindle and massive amounts of CNC work to get there. CNC detail can be seen all over every surface for the ultimate in tech bling and weight savings for your ride. Designed to be compatible with and Shimano™ and Sram™ Drivetrains, modern hub spacing, and bottom brackets. Helix R cranks can achieve boost and super boost chainlines with flip-floP chainrings.

Features:

• Forged AL-6066-T6 arms and 3 mm spindle
• Flip-flop Ring for Boost/Superboost Chainline compatible
• Self Extracting Bolt System
• Creak-free proven Quick Connect ring interface
• SRAM™ and Shimano™ 12-Speed compatible Narrow/Wide
• Extensive CNC machining for lighter weight and looks to kill
• Shimano™ BB-92 and BB30 compatibility
• Molded Crank strike boots