The wider stance of the arms and chainrings provides clearance for extra wide tires, giving you the option to explore new, more challenging routes. FEATURES X-Range™ gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear Crisp and accurate front shifts Wide chainline crankset for bikes with up to 700x45c or 27.5x2.1” tire widths (43/30 chainrings only) DUB™ bottom bracket adds durability and simplicity Longer DUB crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cross-compatibility across brands Requires wide front derailleur SPECIFICATIONS Speeds: 12 BB Compatibility: All SRAM Road WIDE DUB BBs Chainring Size: 43/30T Crank arm length: 160mm, 165mm, 170mm, 172.5mm, 175mm Chainline: 47.5mm BB Spindle Interface: DUB Chainring material: Aluminum Guard: No Guard Bolt Circle Diameter (BCD): 94 BCD Crank arm material: Aluminum Color (Crank arm): Black