Shimano GRX 827 Di2 12-Speed Wireless Rear Derailleur

From £339.99

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Sigma Sports
£339.99

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Price last checked: 18/07/2026

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Shimano GRX 827 Di2 12-Speed Wireless Rear Derailleur

Shimano 827 GRX Di2, 12-Speed Shadow ES Rear Derailleur The new Shimano GRX 827 Di2 12 speed Shadow ES Rear Derailleur features a fully wireless, removable battery for fast, reliable shifting and convenient recharging on mixed terrain. Equipped with integrated Shadow ES technology, it delivers precise gear changes even over rough ground, while the low-profile skid plate design helps avoid contact with rocks and roots. The latest chain stabiliser system offers improved chain wrap for better shifting performance, enhanced chain security and quieter operation. Designed for durability, it requires no maintenance and ensures consistent performance over time. Please Note: Battery Not Included

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51T £339.99

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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.