Sram: RIDE. RINSE. REPEAT.The SRAM GX Eagle™ crankset delivers consistent performance every time out. Featuring SRAM's X-SYNC™2 tooth profile chainring, the GX crankset is engineered for complete chain control. Each tooth's thickness is precisely toleranced and controlled to work seamlessly with the chain's inner and outer links. DUB™ technology features a better-engineered bottom bracket and a new spindle design. Together, these allow for a more uniform approach to bottom bracket fitment, better sealing against contamination and forward and backward compatibility. Now everyone can benefit from a new measure of durability.THINGS TO REMEMBER• Only Eagle™ is a complete system-engineered drivetrain designed, tested and proven to deliver the lightest, highest-performing, most durable system for all riders on any trail. • Eagle™ technology provides an expanded, optimum, gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents. • Compatible with all levels of Eagle drivetrain systemsFEATURES AND BENEFITS• Optimized 7000 series forged aluminum arms • DUB™ technology features a uniform approach to bottom bracket fitment, better sealing against contamination and is forward and backward compatible. • Direct mount ring • ISO 4210 compliant. See Declaration of Conformity for details. SPECIFICATIONSSpeeds: 11/12BB Compatibility: DUB BSA MTB 100, DUB PF MTB 121, DUB BSA73, DUB PF89.5, DUB PF92, DUB PF30 MTB73, DUB BB30 MTB73Chainring Size: 30, 32Crank arm length: 165mm, 170mm, 175mmChain line: 49.0mm, 52.0mm, 66.5mm, 76.5mmBB Spindle Interface: DUBChainring material: AluminiumGuard: No GuardBolt Circle Diameter (BCD): Direct Mount (DM)Crank arm material: AluminiumColour (Crank arm): Black