e*thirteen Helix R Crankset - 170mm 73mm 30mm Spindle with e*thirteen P3 Connect Interface Black. The Helix R is e*thirteens top-of-the-line aluminum alloy crank. Forged AL-6066-T6 arms deliver Enduro strength in XC weights and it took a 30mm Forged 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 Shimano™ and SRAM™ drivetrains modern hub spacing and bottom brackets. Helix R cranks can achieve boost and super boost chainlines with their flip-flop chainrings (Sold Separately).

Forged 6066-T6 aluminum crank arms with CNC machining provides strength with lighter weight for improved acceleration and climbing

Self-extracting bolt system allows for easy installation and removal of crank arms

Forged and CNC machined 7050-T7 aluminum 30mm spindle is extra strong to provide years of trust and confidence

Compatible with SRAM™ and Shimano™ 12-Speed Narrow/Wide drivetrains

Shimano™ BB92 and BB30 compatibility

Crankset includes: APS Adjuster BB/Lockring Tool Crank Boots (x2) User Manual

Bottom bracket and chainring sold separately