SRAM Force AXS E1 Rear Derailleur 12 Speed Medium Cage 36T Max

The SRAM Force AXS E1 12-speed rear derailleur is lighter, faster, and more capable than the previous generation. Designed to handle cassette ranges from 10-28T up to 10-36T, this wireless derailleur supports both 1x and 2x setups with one clean solution.

A refined, lighter carbon cage and larger X-SYNC pulleys improve drivetrain efficiency while reducing weight by approximately 12 grams compared to the previous Force generation. This version is sold without battery.

Key Features

• AXS wireless shifting platform

• Compatible with 1x and 2x drivetrains

• Handles cassette ranges from 10-28T to 10-36T

• Medium cage with 36T max cog

• Larger X-SYNC pulleys for improved efficiency

• Advanced chain management technology for quiet operation

• Lighter cage design vs previous Force generation

• Compatible with existing SRAM AXS batteries (sold separately)

Specifications

• Speed: 12-speed

• Max Cog: 36T

• Chain Wrap Capacity: 42T

• Cage Length: Medium

• Rear Derailleur Mount Type: 10x1 Standard

• Rear Der/Shifter Compatibility: SRAM eTap AXS

• Cage Material: Carbon

• Color: Black

• Weight: 284g

• Battery Included: No

Compatibility

• SRAM eTap AXS 12-speed road systems

• SRAM XDR 12-speed cassette systems (10-28T to 10-36T)

• Compatible with SRAM AXS batteries

In the Box

• SRAM Force AXS E1 Rear Derailleur (12-speed, medium cage)

• No battery included

Why It Matters

The Force AXS E1 derailleur simplifies drivetrain choice by covering a wide cassette range with one unit. Whether building a wide-range 1x setup or a traditional 2x system, it delivers fast, reliable wireless shifting with improved efficiency and reduced weight.