Sram: ALL IN Some riders test their limits more than others. For these riders, the GX Eagle™ DUB™ crankset allows them to go all in, every day they ride. The best aluminum crankset we make, engineered to deliver consistent performance every ride. Featuring our X-SYNC™2 tooth profile chainring for complete chain control. Each tooth's thickness is toleranced and controlled to work seamlessly with the chain's inner and outer links. DUB™ technology’s patented spindle design and bottom bracket provides a uniform approach to fitment, better sealing and forward and backward compatibility. Simply put, the forged aluminum GX Eagle™ DUB™ crankset is the no frills choice of riders who know.FEATURESOur best aluminum crankset.Direct mount interface compatible with chainrings across the entire Eagle™ Ecosystem.Master GX colorway as part of Eagle™ Colorsystem – pairs with all cassettes and chains, from Black to Gold to Rainbow to HardChrome and all-new Copper. SPECIFICATIONSSpeeds: 11/12BB Compatibility: DUB:BSA73, PF89.5, PF92, PF30 MTB73, BB30 MTB73, BSA MTB68SPChainring Size: 30Crank arm length: 165mm, 170mm, 175mmChainline: 66.5mmBB Spindle Interface: DUBChainring material: AluminumGuard: No GuardBolt Circle Diameter (BCD): Direct Mount (DM)Crank arm material: AluminumColor (Crank arm): Lunar