SRAM RED AXS E1 Rear Derailleur

Lightweight Wireless Shifting with Maximum Efficiency

The SRAM RED AXS E1 Rear Derailleur sits at the heart of the AXS ecosystem, delivering faster, lighter, and more efficient wireless shifting for road and all-road riders. Designed to work seamlessly with both 1x and 2x drivetrains, it provides precise gear changes across a wide range of cassette options, from 10-28T through to 10-36T.

Engineered for performance, the RED AXS E1 derailleur features larger X-SYNC pulleys with premium ceramic bearings to reduce drivetrain friction and improve efficiency. SRAM's proven Orbit fluid damper technology keeps the drivetrain quiet and secure, even when riding rough roads, gravel sectors, and challenging terrain.

Key Features

Wireless AXS electronic shifting for fast, precise gear changes

Compatible with both 1x and 2x SRAM AXS drivetrains

Supports cassette ranges from 10-28T to 10-36T

Orbit fluid damping technology reduces chain movement and noise

Larger X-SYNC pulleys improve drivetrain efficiency

Premium ceramic pulley bearings minimize friction

16g lighter than the previous RED derailleur generation

Compatible with existing SRAM AXS batteries

Optimized for road, endurance, and all-road riding

Lightweight carbon cage construction

Specifications

Speed: 12-Speed

Drivetrain Compatibility: SRAM RED AXS 1x and 2x

Maximum Cassette Size: 36T

Cage Material: Carbon

Pulley Bearing Material: Ceramic

Colour: Black

Battery Compatibility: SRAM AXS Battery

Weight: 262g

Why Choose the SRAM RED AXS E1 Rear Derailleur?

The SRAM RED AXS E1 Rear Derailleur delivers the ultimate combination of lightweight construction, wireless precision, and drivetrain efficiency. Whether you're racing, tackling epic endurance rides, or exploring mixed-surface routes, its ceramic-bearing pulleys, Orbit chain management, and wide-range compatibility provide smooth, reliable shifting with every pedal stroke.