Shimano GRX RX827 Di2 1×12s Fully Wireless Groupset
The Shimano GRX RX827 Di2 1×12groupset is designed for gravel riders seeking clean aesthetics, reliability, and high-performance electronic shifting. Purpose-built for gravel, GRX delivers smooth Di2 shifting, powerful hydraulic braking, and long-distance comfort across mixed terrain. The RX827 series pairs a wide 1x gear range with smooth progression, making it ideal for racing, adventure riding, and all-road use.
The GRX FC-RX820-1 cranksetoffers an optimal balance of low weight and efficiency, compatible with 40T or 42T chainrings paired with 10-51T cassette for maximum range. A choice of Shimano cassettes, with MICRO SPLINE and HYPERGLIDE+, ensures fast, precise shifting even under load.
GRX Di2 levers feature gravel-specific ergonomics with raised hoods, textured grips, and optimized integration with flare handlebars. Wireless Di2 shifting delivers instant gear changes, while BR-RX820 hydraulic disc brakesprovide excellent modulation, quiet operation, and easy maintenance.
The RX827 Di2 rear derailleuris built for durability, featuring Automatic Impact Recovery for consistent performance on rough terrain. The Shimano chain improves chain retention and longevity with SIL-TEC treatment and a quick-link design.