Sram: The GX Eagle Transmission DUB crankset gives no-nonsense riders a no-compromise balance of form and function. It’s the crankset where pure performance meets optimal value. Its two independently removable composite bashguards add durability and allows riders to manage scuffs and scrapes that come with the territory. Protecting and preserving the unique shape of its forged aluminum design to deliver maximum performance with minimum bulk.FEATURESNo-nonsense, no-compromise. Two independently removeable composite bashguards. Chainring size specific.Forged aluminum with an all-new shape and optimal value SPECIFICATIONSSpeeds 12BB Compatibility All SRAM MTB WIDE DUB BBsChainring Size 32TCrank arm length 165/170/175mmChainline 55.0mmBB Spindle Interface DUBChainring material AluminumGuard CompositeBolt Circle Diameter (BCD) Direct Mount (DM)Crank arm material AluminumColour (Crank arm) Black