Sram Force D2 1x AXS DUB Power Meter Spindle Chainset - 12 Speed - Iridescent / 40 / 175mm / 12 Speed

It’s the best of both worlds. A light and stiff direct mount chainring with accurate Quarq power measurement elegantly hidden inside the DUB spindle lets you stealthily gather the data you need to progress. So you can focus your attention on the stunning finish of the carbon fibre crankarm. Features DUB-PWR spindle-based unit measures left side power to calculate total watts. Long battery life (400+ hours) to power a season of rides. User replaceable AAA lithium battery. DUB bottom bracket adds durability and simplicity. Waterproof (IPX7 waterproof to 1 meter for 30 mins). Lightweight (less than 40g heavier than standard crankset). Specification Speeds: 12. BB Compatibility: All SRAM Road DUB BBs. Chainring Size: 40T. Crank arm length: 172.5mm. Chainline: 45.0mm. BB Spindle Interface: DUB. Chainring material: Aluminium. Bolt Circle Diameter (BCD): Direct Mount (DM). Crank arm material: Carbon. Power meter: Yes. Power Meter Type: Spindle.