Crank Helix R | 170x73mm | no BB, no ring | with Self Extractor | Bronze (CS4HRA-101) (CTN3)

Crank Helix R | 170x73mm | no BB, no ring | with Self Extractor | Bronze (CS4HRA-101)

Helix R Aluminum 30mm Crank
e*thirteen has love for aluminum. Knowing weight, strength and looks were top priorities for riders, we went after all three with a vengeance. 

The Helix R is our top-of-the-line aluminum alloy crank. Forged AL-6066-T6 arms deliver Enduro strength in XC weights and it took a 30mm 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 our flip-flop chainrings.

PRODUCT FEATURES
• Forged AL-6066-T6 arms and 30mm 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

RIDER BENEFITS
• Lighter weight for improved acceleration and climbing
• Strong enough to shuttle run bike parks
• Durable aluminum for years of trust and confidence
• Can be combined with either Shimano™ or SRAM™ drivetrains with perfect shifting and chain