• Shimano Ultegra RX805 Di2 Rear Derailleur 2018

        • $270.74 270.74
        • RRP $304.00
        • Save 11%
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      Medium Cage
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Shimano Ultegra RX805 Di2 Rear Derailleur

With the versatility in modern road cyclists’ approach to riding and due to the demands of cyclocross and gravel racing, Shimano have developed the RX805 Di2 derailleur to provide the performance demanded by the masses. The Ultegra RX805 Di2 Rear Derailleur features the Shadow RD+ technology, which greatly enhances drivetrain stability and increases shifting performance significantly when riding over the most demanding terrain.

Maximum Drivetrain Performance

The Ultegra RX805 Di2 significantly increases a road bikes potential. No longer are you restricted to riding on the road to achieve maximum performance, the Ultegra RX805, which takes its design from mountain bike drivetrains, excels over the roughest off-road conditions. This derailleur provides exceptional shifting performance, superb chain stability to virtually eliminate chain drop and it functions silently throughout use.


  • Material: Aluminium
  • Intended Use: Road
  • Series: Shimano Ultegra RX800
  • Low Sprocket Max: 34T
  • Low Sprocket Min: 28T
  • Top Sprocket Max: 11T
  • Top Sprocket Min: 11T
  • Total Capacity: 39T
  • Front Max Difference: 16T
  • Drivetrain Speed: 11-Speed
  • Compatibility: Shimano Road Dual Control Levers
  • Shifting Technology: Shimano Shadow RD+
  • Weight: 280g

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  • Delivery toUSA
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

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  • Colour: Grey
  • Size: Medium Cage
  • Speed: 11 Speed

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