Sram:Force AXS E1 DUB Crankset W/Power Meter Spider - Thread Mount (BB Not Incl) 46-33T Measure your ride power data more accurately than ever with the Force AXS power meter. We built upon the stability and accuracy of the RED AXS integrated power meter, now providing riders even more options for customization and serviceability at the Force level. Riders will also be able to thread on and off desired chainring sizes for unmatched performance. Features Power meter is fully integrated into the chainring for lighter weight Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride Measures right and left leg power balance 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 DUB bottom bracket adds durability and simplicity 46/33T, 48/35T or 50/37T chainring combos available Available in 160, 165, 170, 172.5, and 175 mm lengths SPECIFICATIONS Speeds 12 BB Compatibility All SRAM Road DUB BBs Chainring Size 46/33T, 48/35T, 50/37T