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: 32TCrank arm length: 165mm, 170mm, 175mmChainline: 55.0mmBB Spindle Interface: DUBChainring material: AluminumGuard: No GuardBolt Circle Diameter (BCD): Direct Mount (DM)Crank arm material: AluminumColor (Crank arm): Lunar