SHIMANO DEORE RD-M6250 DI2 12 SPEED REAR DERAILLEUR (10-51T)
The Shimano Deore RD-M6250 Di2 12-Speed Rear Derailleur makes premium wireless electronic shifting accessible to everyday trail riders and e-bike enthusiasts alike.Built with a tough, trail-ready architecture, this long-cage derailleur eliminates traditional mechanical gear cables to deliver crisp, perfectly repeatable shifts under heavy load. Whether you are grinding up a technical Australian fire trail or accelerating out of a tight singletrack berm, a single press of your handlebar switch moves the chain across the cassette instantly without hesitating.
Engineered to survive the realities of aggressive trail riding, the RD-M6250 introduces Shimano’s updated Shadow ES chain-stabilisation technology.This low-profile design tucks the derailleur body out of harm's way while firmly managing chain tension to silence annoying chain slap and prevent annoying drops over rough rock sections. If you do happen to tag a hidden granite boulder, the integrated Automatic Impact Recovery system instantly disengages the internal motor to let the derailleur move with the strike, before snapping back into perfect alignment so you can keep pedalling without a worry. The on-board BT-DN320 battery sits protected deep inside the internal linkage, shielded from trail debris, yet remains completely removable for seamless recharging.
Key Features
Wireless Di2 Electronic Precision: Delivers lightning-quick, effortless gear changes at the press of a button, entirely eliminating stretched cables and shifting degradation.
Automatic Impact Recovery: Clever protective internal motor disengages during trail strikes to prevent structural damage, instantly resetting to its correct operating position.
Shadow ES Chain Stabilisation: An evolved, compact mechanism that firmly controls chain tension to minimise noise and maximise security over rugged terrain.
Linkage-Protected Battery Cavity: Keeps the removable BT-DN320 battery safely enclosed within the structural chassis of the derailleur to prevent damage or ejection on rough tracks.
Shielded Solid Pulleys: Built with a closed-plate pulley system and deep tooth profiles that actively prevent twigs, mud, and trail debris from jamming up your drivetrain.
Specifications
Model Number: RD-M6250-SGS
Series: Deore Di2 (M6200)
Speed: 12-Speed
Shifting Technology: Wireless Di2 Electronic
Cage Length: Long Cage (SGS)
Maximum Low Sprocket: 51T
Minimum Top Sprocket: 10T
Total Capacity: 41T
Chain Compatibility: HG 12-speed (e.g. CN-M6100)
Battery Type: BT-DN320 Lithium-ion (removable)
Wireless Connectivity: Bluetooth Low Energy / ANT+
System Adjustability: E-Tube Project App customisable
