Shimano XT Di2 RD-M8250 12 Speed Rear Derailleur

Featuring all-new wireless Di2 shifting, the new XT RD-8250 derailleurs provide an all new impact deflecting wedge shape and a host of other qualities that will keep you riding with faster shifting that is durable and reliable.

• Precise & Clean Wireless Shifting: Sustainable, ultra-fast shifting and a no-sacrifice 500% gear range.
• Robust Design: A wide link structure, skid-plate design, durable aluminum plate and solid pulley add robustness and longevity
• Shadow ES: A slimmer, stronger evolution of Shimano’s pioneering chain-stabilizing SHADOW RD+ concept
• Protection: The new Automatic Impact Recovery function instantly returns the derailleur to its original position after impact
• Protected Battery: Tucked safely inside an enclosed space, the battery won’t budge even in rough terrain, while remaining easily removable for charging
• Covered Pulleys and Cage: The solid pulley and shielded pulley teeth prevent trail debris from jamming up your flow
• Cage Material: Aluminum
• GS Version provides 23mm of additional ground clearance
• Available in Mid Cage (GS) or Long Cage (SGS) versions
• Large cog capacity: 45t (GS); 51t (SGS)
• Mount: Direct attachment (conventional)
• Note: Battery sold separately