Cycling Bargains - Tweeks Cycles Shimano RD-RX827 GRX Di2 12-Speed Shadow ES 51T SGS Rear Derailleur | Clearance section. 365 day returns, 0% finance & FREE delivery over £50 (41955007333)

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Was ~~£430.00~~, NOW £387.00 (10% OFF)

Tweeks Cycles Shimano RD-RX827 GRX Di2 12-Speed Shadow ES 51T SGS Rear Derailleur | Clearance section. 365 day returns, 0% finance & FREE delivery over £50

Product Description

The Shimano RD-RX827 GRX Di2 12-Speed Shadow ES 51T SGS Rear Derailleur delivers precise, stable shifting designed for demanding gravel conditions. Its wireless operation ensures smooth performance, while the Shadow ES system offers a low-profile design with superior chain stability. Built with durable alloy components, it combines strength, reduced weight, and zero-maintenance reliability for consistent performance across rough terrain.Key Features and Benefits:Wireless Di2 shifting with integrated removable battery (BT-DN320 Battery sold separately): Provides fast, precise, and clean gear changes with a secure power source. This ensures consistent shifting accuracy without external battery clutter.Battery protection within linkage: Shields the power unit from impact and dirt. This prolongs battery life and reduces the need for maintenance in harsh conditions.Crash recovery function: The derailleur absorbs impacts and repositions itself. This reduces downtime and keeps shifting smooth after unexpected hits.Shadow ES low-profile skid plate and optimised slant angle: Increases clearance and reduces exposure to obstacles. This improves drivetrain safety and performance on rough trails.Dual spring chain stabilising switch with 70% increased spring force: Maintains tighter chain control and stability. This prevents chain bounce and ensures reliable shifting across rough terrain.Zero-maintenance Shadow ES system: Eliminates performance loss over time. This ensures long-lasting, consistent operation without regular servicing.13T solid pulleys with reduced derailleur tension in low gears: Lowers drivetrain strain. This improves efficiency and reduces wear, extending component life.Alloy outer and inner pulley cage construction: Saves weight while boosting rigidity. This improves drivetrain responsiveness and durability.Cold-forged wide alloy links with fluorine-coated link pin bushings: Increases strength and smooth movement. This results in reduced friction and extended service life.12-speed drivetrain compatibility with SGS cage supporting 10-51T range: Offers broad gearing options for gravel and off-road use. This ensures smooth and reliable shifting across wide gear ranges.This derailleur is designed for riders who demand reliability and stability over varied terrain. Its dual spring chain stabilisation, crash recovery function, and Shadow ES low-profile design work together to deliver consistent, smooth shifting without performance degradation. The wide gear range and durable materials provide the technical support needed for long, demanding rides.Choose a derailleur that combines precise wireless shifting, chain security, and rugged construction. Equip your bike with dependable drivetrain performance for every ride.

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