Shimano Deore RD-M6250-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage

Shimano Deore RD-M6250-SGS Di2 Wireless Rear Derailleur - 12-Speed, Long Cage
A wireless Deore Di2 rear derailleur that's big on performance and lighter on your wallet.
Lose the wires, save some dollars
Pairing the new Shimano Deore M6250 Di2 Rear Derailleur with a standard 10-51T cassette gives riders the wireless adaptability and robustness of Shimano Di2 MTB at a more approachable cost.
With built-in Automatic Impact Recovery, an impact-deflecting shape, a steel plate, and a solid pulley, this derailleur stands up to rough trails, while retaining the precise shifting for which Di2 is known.
Designed with SHADOW ES, a slimmer, stronger chain-stabilizing clutch
Ultra-fast shifting and a no-sacrifice 500% gear range
Solid pulley and shielded pulley teeth prevent trail debris from jamming up your flow
Derailleur battery is enclosed and protected for riding, and removable for charging
Cage: Long cage
Speed: 12
For Cassette with Largest cog: 51t
Manufacturer part #    IRDM6250SGSA
UPC: 192790748665