Shimano Deore XT RD-M8120 12 Speed Shadow+ Rear Derailleur, SGS for Double

- XT Shadow plus 12-speed double rear derailleur for the ultimate in shifting performance and durability
- Shadow plus features a super low profile design and optimized slant angle for super light shifting action
- Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting
- Single tension spring prevents contact with the chainstay resulting in a silent ride
- Rubber bumper on pulley cage for added silent drive
- 13T pulleys and decreased derailleur tension prevent high chain tension in low gears
- Direct cable routing prevents snagging from any trail side hazards
- Full carbon fibre outer pulley cage saves weight while alloy inner cage increases rigidity
- Cold forged wide alloy links and pivot body
- Four fluorine-coated link pin bushings
- Strong return spring for a positive shifting feel
- Specifically designed to work with XTR M9100 12-speed double drivetrains
- Durable sealed 13T bearing pulleys for low friction
- Top normal spring uses the spring to select higher gears
- Max front difference 10T
- Max low sprocket: 45T (2x 12-speed)
- 45T capacity SGS cage
- Average weight 290g