SRAM Force AXS XPLR E1 rear derailleur

The SRAM Force AXS XPLR E1 rear derailleur is a 1x rear derailleur for 13-speed gravel bikes, designed for riders seeking a rear derailleur built for this use. It works with an XPLR 10-46-tooth cassette and Flattop chains. The Full Mount fitting and hangerless interface are designed to withstand impacts.

Adjustment requires no screws, simplifying initial setup. The parts are replaceable and rebuildable, so they can be repaired instead of replacing the entire rear derailleur. The battery is not included and must be purchased separately. Black is the only colour available, so the choice is mainly about cassette and chain compatibility.

Founded in Chicago in 1987 by Stan Day and a group of cycling enthusiasts, SRAM is still based in the US city today. It makes drivetrains and brakes for road, gravel and mountain bikes. Its story began with a single product: Grip Shift, the shifter that lets riders change gear by twisting the grip.