Shimano Ultegra RD-RX800 11 Speed Rear Derailleur - Medium

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.

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