eThirteen Helix R Guidering 52/55mm Chainline

The HELIX R Direct Mount Chainring is a game changer. Proven cross-compatibility applied to an ultra-lightweight, durable AL-7075-t6 Chainring. Highly CNC’D technical finish. Available to match helix cassette colors!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.One of the strongest and most durable alloys available, AL-7075-T6 delivers the lightest and longest wear-life chainring without compromising strength, bend resistance, or longevity.• Flip-Flop Design achieves Boost and Super Boost chain lines with Helix, TRS, LG1, and XCX cranks• Cut from billet AL-7075-T6 for the highest strength and wear resistance• SRAM™ and Shimano™ 11 and 12 Speed Chain compatible• Extensive CNC machining for ultra-light weight(32t=52g) and looks that kill• Available in bold colors to match the popular e*thirteen Helix R Cassettes, Plus 35 Stems, and Quick Fill Plasma Valves!