New power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than everWider stance of the arms and chainrings also provides clearance for extra wide tires, giving you the option to explore new, more challenging routesInvisible technology that adds minimal weight and will help train you get to the finish line fasterDUB-PWR spindle-based unit measures left side power to calculate total wattsWide chainline crankset for bikes with up to 700x45c or 27.5x2.1` tire widths (43/30 chainrings only)Compatible with all Sram Road DUB Wide bottom bracketsDUB bottom bracket adds durability and simplicity170x43/30DUB WideBlack94mm 4-bolt2x12UPC/EAN/GTIN: 710845864827