Cycling Bargains - uPRISE Bikes Shimano RD-M8250 Di2 Wireless Deore XT 12spd HG Rear Mech No Battery - Medium | Price match, 365 day return s, 18-Month Warranty, Finance Available & Free UK Delivery (uPRISE-RDM8250GS)
uPRISE Bikes Shimano RD-M8250 Di2 Wireless Deore XT 12spd HG Rear Mech No Battery - Medium | Price match, 365 day return s, 18-Month Warranty, Finance Available & Free UK Delivery
Product Description
Shimano XT Shadow ES 12-Speed Wireless Rear Derailleur – Precision Shifting, Zero CompromiseEngineered for the modern mountain biker who demands precision, speed, and resilience, the Shimano XT Shadow ES 12-Speed Wireless Rear Derailleur is the next evolution in electronic shifting. With seamless wireless integration, advanced chain control, and battle-tested durability, this derailleur brings pro-level performance to every ride, without the need for cables or compromise.Featuring Shadow ES technology, the derailleur boasts a sleek, low-profile design with a skid plate for maximum clearance and protection on rough terrain. Inside, a smartly housed, removable on-board battery (BT-DN320, sold separately) powers the system, offering clean, cable-free shifting and smart crash recovery that automatically resets position after impact.Built to withstand aggressive trail conditions, this derailleur employs a dual-spring chain stabiliser system that dramatically reduces chain slap and bounce, while enhancing chain retention and shift accuracy, even under load. With a 70% increase in spring tension, improved chain wrap, and larger 13T solid pulleys, every shift is faster, quieter, and more secure.Key Features:Wireless Shifting, Pure Performance: Integrated with BLE and ANT private protocols for precise, lag-free wireless communication.Shadow ES Technology: Ultra low-profile design with protective skid plate for superior ground clearance and rugged impact resistance.Crash Recovery Function: Derailleur automatically resets after impact for uninterrupted performance on technical terrain.Chain Stabilisation Redefined: Dual-spring mechanism enhances chain security and shifting accuracy by reducing bounce and maintaining chain tension.Zero Maintenance System: No cables, no degradation—just reliable shifting, ride after ride.Enhanced Chain Wrap: A Tighter wrap around the cassette improves engagement, reduces skipping, and keeps performance consistent even as cogs wear.Compact GS Cage: Optimised for 9–45T 12-speed setups, with shorter cage (-23mm) for better clearance and reduced weight.High-Quality Construction: Cold-forged alloy links, fluorine-coated bushings, and reinforced pulley cage offer stiffness and long-term reliability.Lightweight and Rigid: Alloy inner and outer pulley cage, plus wide link structure, boosts strength while trimming weight.Solid 13T Pulleys: Smooth operation with reduced drag and durable wear resistance.Whether you're charging down root-strewn descents or navigating tight switchbacks, the Shimano XT Shadow ES Wireless Rear Derailleur gives you pinpoint shifting and bombproof durability, without a single cable in sight.
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