Shimano Deore RD-M6250-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES BLK/Gray

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.

• A wireless Deore Di2 rear derailleur thats big on performance and lighter on your wallet.
• Wide link structure, skid-plate design, durable steel plate, and solid pulley add robustness
• Automatic Impact Recovery instantly returns the derailleur to its original position
• 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