SRAM's answer to the call to create a ruggedly dependable transmission for your enduro needs, the X0 Eagle AXS E-Bike Transmission groupset is their most robust high-performance transmission. The new Transmissions take a holistic approach to a bicycle shifting, an entire system synchronized, providing you with a superior ride experience. Shifting under load is made possible on the X0 cassette due to a combination of X-SYNC technology and cassette mapping, creating seamless shifts even during your hardest power output.SRAM Eagle Transmission ReviewThe XO Transmission ISIS crankset is compatible with both Bosch and Brose systems and features our most advanced aluminum crankset SRAM has ever made, it is utterly unique and simply striking. Providing riders with the legitimate performance X0 stands for courtesy of a ground-breaking all-aluminum design with a perfectly balanced stiffness to weight ratio. It is also the lightest aluminum crankset in the market. The X0 Flattop Transmission chain features a Dark Polar finish specific to X0, has been plated with electroless nickel, and comes with a PVD coating for unbelievable resistance to corrosion and wear. Fully approved for E-MTB use with solid pins. Featuring a “click and fire” two-button design, The AXS Pod Ultimate controller transforms the crucial act of rider inputs into a vastly more personal experience for all your AXS controls. Key Features:XO Eagle Transmission derailleur 10-52T XO Eagle Transmission cassette XO Transmission Flattop chain Pod Ultimate controller AXS battery/charger