2-speed, DUB, power meter, without bottom bracket, black 12-speed compatible, carbon crank arms, screw-on aluminum chainring set, 45 mm chainline, Bluetooth and ANT+ wireless technology, LED indicator light for readiness, reset and low battery, accuracy: +/- 1.5%, bilateral measurement, tool-free battery change (CR2032) Number of chainrings 2 Type Article main color black Large chainring 46 T. Small chainring 33 T. Chainline 45.0 mm Crank length 172.50 mm System compatibility 12-speed Bottom bracket DUB Variation set Measure power data on the go more accurately than ever with the SRAM Force AXS power meter. The stability and accuracy of the RED AXS power meter have been further improved, and now offer even more customization and maintenance options at Force level. In addition, the desired chainring sizes can be easily interchanged for unparalleled performance. The power meter is fully integrated into the chainring for less weight Super sharp shifting Power measurements are accurate to within +/-1.5% and are not affected by climatic conditions during the ride Measures the power balance between the right and left leg X-Range technology also guarantees a wide range and smooth transitions DUB bottom bracket ensures durability and simplicity Available chainring combinations: 46/33T, 48/35T or 50/37T Available in lengths of 165, 170, 172.5 and 175 mm Sram Article number: 737898 EAN code: 710845915895 Supplier number: 00.6118.739.016 Retail packaging: Yes