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