E-Thirteen Helix R 3-Bolt Direct Mount MTB Guidering

Limitless function. Head-turning finishes.Proven cross-compatibility applied to an ultra-lightweight, durable al-7075-t6 chainring. Highly CNC'D technical finish. Available to match helix cassette colors. Sram™ compatible 3-bolt design.A technology first. Combine with the chain, derailleur/shifter of choice without a change in chain retention quality. Build a dream rig with more freedom and spec creatively. Available in bold colors to match the popular e*thirteen Helix Race Cassettes, Plus 35 Stems, and Quick Fill Plasma Valves.Save weight, keep your drivetrain options open and use the chain you want3-Bolt Direct Mount design for use with SRAM™ 3-bolt direct mount compatible cranksCut from billet AL-7075 for the highest strength and wear resistanceSRAM™ and Shimano™ 11 and 12 Speed Chain compatibleExtensive CNC machining for ultra-light weight (32t=51g) and looks that killAvailable in 5 bold Ano colors and 4 sizes 28/30/32/34tMatch and personalize the way you wantSpecification:Chain retention: Updated M4 narrow-wide tooth profile improved retention, reduced chain noise, and decreased system wear.Chainline: 3mm Offset from mounting surface for 3-bolt applicationsColor: Bronze, Naranja, Eggplant, Gray, Black, Intergalactic PVDCompatibility: All SRAMTM 3-Bolt Direct Mount cranks or other brand cranks that use 3-Bolt ChainringsMaterial: AL-7075-T6 Aluminum AlloySize: 28-34t optionsWeight: 28t: 48g, 30t: 50g, 32t: 52g, 34t:54g