Wireless rear derailleur
SRAM Rival AXS E1 Rear Derailleur
The 2025 Rival AXS rear mech brings the newer E1 design and a larger lower pulley to SRAM's most affordable 2x wireless group, for 1x or 2x with up to a 36T sprocket.
306gClaimed weight
36TMax sprocket
12Speeds
42TCapacity
Highlights
Why we rate it
Updated E1 design
Shares the latest-generation architecture with Force and RED for quicker, cleaner shifts.
Bigger lower pulley
A larger X-SYNC lower wheel smooths the chain path and reduces friction.
Integrated chain control
Built-in damping keeps the drivetrain quiet over broken tarmac and gravel.
1x or 2x
Handles 10-28T to 10-36T cassettes with single or double rings.
Tech specs
Specification
Manufacturer specification. Details may change without notice.
Specification
- Model
- RD-RIV-E-E1
- Part number
- 00.7518.196.000
- Speeds
- 12
- Max sprocket
- 36T
- Cassette range
- 10-28T to 10-36T
- Total capacity
- 42T
- Drivetrain
- 1x and 2x
- Chain
- SRAM Flattop D1 and E1
- Weight
- 306g (claimed, without battery)
- Battery
- SRAM AXS battery, sold separately
- Colour
- Black
In the box
- Includes
- Rival AXS E1 rear derailleur (battery not included)
Ordering
Available from The Cycle Collective
Available to order through The Cycle Collective in Dorking. For availability, setup or advice, call 0203 148 6764 or email hello@thecyclecollective.cc.
Product Information
Features
Tech Specs