SRAM Force AXS Power Meter DUB 2x (50/37T-167.5mm D2) Bicycle Component Set The lightest, stiffest, and most accurate power meter and chainring integrated combo has arrived in Force. Quarq D-Zero technology offers ±1.5% accuracy and is unaffected by temperature changes. The 13-tooth gap between the chainrings allows for fast and reliable shifting. Not only in performance but also in ring durability, it is outstanding. The combination of the unicorn gray carbon crank arm with this ring is extremely attractive. Battery used: C2032 – approximately 200 hours of use. Please note that the design, specifications, and appearance of the product may change without notice. Cycle parts, drivetrain, bicycle crankset, road bike, MTB, mountain bike, cyclocross, cross bike.