The command center of the AXS ecosystem the SRAM Red AXS RD-RED-E-E1 derailleur is lighter, faster, and more versatile than ever. Capable of managing cassettes from 10-28T to 10-36T, this wireless powerhouse utilizes larger pulleys to minimize drivetrain friction and the signature Orbit fluid damper to silence chain chatter on the roughest terrain. It is the singular solution: one derailleur engineered to master both 1x and 2x setups, on the pavement or off the beaten path.
SRAM Red AXS RD-RED-1E-E1 Rear Derailleur
12-speed - 1x12s
RD-RED-1E-E1 (00.7518.184.000)
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Features:
- Orbit chain management technology keeps the drivetrain quiet and secure
- AXS enabled for easy setup, personalization, and reliability
- 16g lighter than previous generation
- Compatible with both 1x and 2x drivetrains
- Compatible with cassettes from 10-28T to 10-36T
- Larger X-SYNC pulleys for increased efficiency
- Compatible with existing AXS batteries
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Specifications:
| Speed (RD) | 12 |
|---|---|
| Cable pull ratio | n/a |
| Cage (RD) | n/a |
| Max tooth | 36 |
| Color (RD) | Black |
| Pulley bearings material | Ceramic |
| Cage material (RD) | Carbon |
| Drivetrain Configuration | 2x |
| RD Minimum (Cassette) | 28 |
| Communication Protocol | AXS |
| Shift Technology | Wireless |
| Chain Technology | Road Flattop D1, Road Flattop E1 |