Even on an e-bike you are now able to shift under load thanks to a combination of X-SYNC technology and cassette mapping, creating seamless shifts even during your hardest power output. Dedicated variants with SRAM/Brose and Bosch for optimized q-factor ISIS interface for use with ISIS systems GX Eagle Transmission derailleur 10-52T GX Eagle Transmission cassette GX Transmission Flattop chain Pod controller AXS battery/USB-C charger SRAM Model ID: GS-GX-EPA-D2