Shimano Ultegra RD-RX800 11 Speed Rear Derailleur - Medium
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Shimano Ultegra RD-RX800 Rear Derailleur – 11 Speed (Medium Cage)
The Shimano Ultegra RD-RX800 rear derailleur is built for gravel and adventure riding, delivering quiet, stable, and precise shifting across mixed terrain. Based on Shimano’s Ultegra road platform and enhanced with gravel-specific technology, the RX800 is ideal for riders who demand reliability on rough roads and long days in the saddle.
Featuring SHIMANO SHADOW RD+ clutch technology, the RD-RX800 dramatically reduces chain slap and chain drop on uneven surfaces. The medium cage design supports wider-range 11-speed drivetrains, making it perfectly suited to gravel, adventure, and all-road bikes.
Key Features
- Ultegra-level performance tuned for gravel and adventure riding
- SHIMANO SHADOW RD+ clutch for improved chain stability
- Quieter drivetrain on rough roads and trails
- Precise, reliable 11-speed mechanical shifting
- Low-profile design for added durability and protection
Specifications
- Model: RD-RX800
- Series: Shimano Ultegra RX
- Speed: 11-speed
- Cage Length: Medium (GS)
- Technology: SHADOW RD+
- Intended Use: Gravel / Adventure / All-road
Supplied and supported by Mackay Cycles. Our workshop team can assist with drivetrain setup, clutch adjustment, and compatibility advice to ensure smooth performance on every ride.
- Free Shipping for Parts & Accessory orders over $150
- $15 freight for orders $149.99 and under
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