Cycling Bargains - uPRISE Bikes Shimano RD-RX827 GRX Di2 12spd Shadow ES Rear Derailleur For 51T Single | Price match, 365 day return s, 18-Month Warranty, Finance Available & Free UK Delivery (uPRISE-RDRX827SGS)
uPRISE Bikes Shimano RD-RX827 GRX Di2 12spd Shadow ES Rear Derailleur For 51T Single | Price match, 365 day return s, 18-Month Warranty, Finance Available & Free UK Delivery
Product Description
Shimano GRX Shadow ES 12-Speed Wireless Di2 Rear Derailleur – Precision Shifting for Gravel AdventureDesigned from the ground up for gravel, the Shimano GRX Shadow ES 12-Speed Di2 Rear Derailleur blends rugged reliability with cutting-edge wireless technology for unmatched shifting performance off the beaten path. Engineered with gravel-specific ergonomics and intelligent drivetrain stability, this derailleur ensures every shift is as crisp and confident as your ride.With precise, low-lag wireless shifting, powered by Shimano’s Di2 platform and housed in a low-profile Shadow ES design, this derailleur brings race-ready tech to the roughest terrain. Its integrated, removable battery (BT-DN320 sold separately, Buy Here!) is securely tucked into the linkage for added protection, while advanced connectivity options (BLE, ANT private) provide seamless integration and control.Whether you're climbing steep grades or hammering washboard descents, the dual-spring chain stabilisation system keeps your chain tight and secure, drastically reducing bounce and dropped chains. The increased spring force (+70%) and tight chain wrap mean smoother, quieter shifting, even as your cassette wears.Key Features:Wireless Di2 Shifting: Fast, responsive shifting with minimal input, even under load.Shadow ES Profile: Low-slung design with an integrated skid plate for enhanced ground clearance.Crash Recovery Mode: Automatically repositions after impacts for uninterrupted performance.Chain Stabilisation System: Dual spring mechanism keeps the chain stable in rough terrain.Durable Build: 13T solid pulleys, fluorine-coated bushings, and alloy pulley cages for lightweight strength.Maintenance-Free: Sealed and refined for a zero-maintenance, no-compromise experience.Custom Connectivity: BLE and ANT private for smart integration with Shimano systems.Specifications:Product Type: Rear DerailleursSpeed: 12-SpeedCage Size: SGS – LongMax Cassette Compatibility: 10–51TDiscipline: Gravel & CyclocrossMount Type: Direct MountColour: GreyDi2: YesWhether you're navigating remote forest trails or charging through cyclocross courses, the GRX Shadow ES Di2 Rear Derailleur delivers pro-level wireless performance and off-road durability in one purpose-built package.
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