Shimano GRX RD-RX817 GRX Di2

Was £309.99

From £251.85

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Fawkes Cycles
£251.85

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Price last checked: 16/08/2026

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Shimano GRX RD-RX817 GRX Di2

Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world Low profile Shadow Plus design 11-speed rear derailleur with Di2 technology for fast and precise shifting performance Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting High tolerance cold forged aluminium link plates and body construction is extremely light and durable 11-speed E-tube Di2 compatible Compatible with 11-speed HG chains Wide gear ratio compatible up to 11-42T For use with single chainset Weight: 318 g

Shimano GRX RD-RX817 GRX Di2-Shadow+ For

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About: Shimano

Shimano is a leading brand in the cycling industry, renowned for its high-quality components and innovative technology. The company offers a range of cycling products, including drivetrains, brakes, wheels, pedals, and shoes. Shimano's drivetrain components, such as its derailleurs and shifters, are widely regarded as some of the best on the market, providing smooth and reliable shifting for cyclists of all levels. The company's disc brakes are also highly regarded, providing excellent stopping power and modulation. With a commitment to innovation and a focus on the needs of cyclists, Shimano continues to be a go-to choice for cyclists looking for top-of-the-line components for their bikes.

About: Fawkes Cycles

Fawkes Cycles is a UK-based cycling retailer built on a foundation of elite racing experience and a genuine love for the sport. Founded by former professional cyclists Nigel and Mandy—whose achievements include representing Great Britain and winning a world championship—Fawkes Cycles combines expert insight with a strong commitment to customer service. The store offers a wide selection of bikes, parts, and accessories from trusted brands, alongside exclusive deals, discount codes, and convenient services like free UK delivery and click & collect. Whether you're a beginner or a seasoned rider, Fawkes Cycles is a name you can trust for quality, value, and real cycling know-how.

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