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Game Changer Dérailleur Arrière Shimano Grx Rx812 11v Gift Ready [GZI4a5zv]

$20.99 $67.99 -69%

SHIMANO GRX RX812 Rear Derailleur 11VThe SHIMANO GRX RX812 Rear Derailleur 11V is a revolutionary product designed to meet the growing demand for Cyclo-cross and Gravel cycling. This derailleur has been engineered to withstand the rigorous demands of

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Game Changer Dérailleur Arrière Shimano Grx Rx812 11v Gift Ready [GZI4a5zv]

SHIMANO GRX RX812 Rear Derailleur 11V

The SHIMANO GRX RX812 Rear Derailleur 11V is a revolutionary product designed to meet the growing demand for Cyclo-cross and Gravel cycling. This derailleur has been engineered to withstand the rigorous demands of these dynamic terrains, offering a performance that exceeds traditional road bike derailleurs. Its robust construction and innovative features make it an ideal choice for riders seeking enhanced reliability and precision.
  • Advanced Chain Stabilization: Equipped with the cutting-edge Shadow RD+ technology, the GRX RX812 Rear Derailleur ensures smooth chain movement and prevents chain jumps, even during intense pedaling or when navigating technical terrain.
  • Improved Pivot Stability: The upper pulley wheel is equipped with a dedicated switch that locks the pivot more firmly, reducing vibrations and enhancing overall stability.

Technical Specifications and Features

The SHIMANO GRX RX812 Rear Derailleur is tailored for Mono Plateau setups, providing flexibility and compatibility with a cassette as small as 42 teeth. This design allows riders to enjoy a wide range of gears, making it suitable for various terrains and riding styles. Key features include:
  • 11-Speed Compatibility: The derailleur is designed for 11-speed systems, ensuring seamless shifting and reliable performance.
  • Lightweight Construction: The GRX RX812 Rear Derailleur is engineered for optimal weight distribution, contributing to a more balanced and agile ride.
For detailed information and instructions, please refer to the Manufacturer's Manual.

Practical Uses and Benefits

The SHIMANO GRX RX812 Rear Derailleur is a versatile tool for both recreational and competitive cyclists. Whether you're tackling challenging Cyclo-cross courses or exploring rugged gravel paths, this derailleur offers the performance and durability you need. Its features make it particularly beneficial for:
  • Competitive Cyclists: The derailleur's precise shifting and robust construction provide a competitive edge in races and events.
  • Recreational Riders: Its ease of use and compatibility with various gear setups make it a great choice for casual riders looking to enhance their cycling experience.
Upgrade your cycling gear with the SHIMANO GRX RX812 Rear Derailleur 11V and experience the difference in performance and reliability.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

This has made my daily tasks much, much, much easier.

- Bronwen K..

January 22, 2026

Absolutely no complaints!

A very dependable product that I truly rely on.

- Vitus V..

January 22, 2026

Absolutely no complaints!

The design is truly brilliant.

- Gwendolyn M..

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