50 teeth, 1-speed, DUB, Powermeter, without bottom bracket, black 12-speed compatible, carbon crank arms, X-Sync Aero direct mount aluminum chainring, Bluetooth and ANT+ wireless technology, LED indicator light for readiness, reset and low battery, Accuracy: +/- 1.5%, dual-sided measurement, tool-free battery change (CR2032), Chainline 45 mm Number of chainrings 1 Type Article main color black Large chainring 50 T. Chainline 45.0 mm Crank length 165.00 mm System compatibility 12-speed Bottom bracket DUB Variation Crankset Measuring power and tracking data can now be even more accurate. The SRAM Force XPLR AXS power meter is elegantly hidden in the DUB spindle, allowing data to be collected discreetly to make progress. This power meter has a longer battery life, is lighter in weight, and reliable in harsh weather conditions, guaranteeing accuracy and reliability. Spindle-based power meter measures power on the left side to calculate total power in watts Aerodynamic chainring option in 44T and 46T Long battery life (400+ hours) for a full season of rides Replaceable AAA lithium battery DUB bottom bracket ensures durability and simplicity Waterproof (IPX7, waterproof up to 1 meter for 30 minutes) Available in crank arm lengths of 165, 170, 172.5 and 175 mm Lightweight (less than 40 g heavier than a standard crankset) Sram Article number: 737900 EAN code: 710845915970 Supplier number: 00.6118.741.001 Retail packaging: Yes