SRAM RED AXS E1 12-SPEED REAR DERAILLEUR ebike-over-2500 plus USB rechargeable battery with

plus USB rechargeable battery with up to 24-hour run-time

it has 130mm rear travel

Magnet-less Cycling speed sensor with dual ANT+/BLE technology

The rear light with integrated rechargeable battery can be removed and charged with a USB connection

SRAM RED AXS E1 12-SPEED REAR DERAILLEUR ebike-over-2500 plus USB rechargeable battery withThe heart of the AXS ecosystem is lighter, more efficient, and more capable than ever. Covering cassette ranges from 10 28T up to 10 36T, this wireless wonder has larger pulleys to increase drivetrain efficiency, and an Orbit fluid damper to keep everything in place over the rough stuff. One derailleur ready for 1x or 2x, on road or off. Features SRAM AXS enables simple personalization Orbit chain management keeps the drive quiet and safe 16 g lighter