Shimano XTR RD-M9250-SGS-A Di2 Wireless Rear Derailleur - 12-Speed, Long Cage, Shadow ES, Black/Gray Transition upgraded with a suite of

upgraded with a suite of premium components

it delivers reliable stopping power in all weather conditions

or fast-paced all-road riding

The 2017 Scott Spark RC 900 World Cup stands as a testament to Scott's relentless pursuit of excellence in the realm of cross-country mountain biking

The wide platform design enhances stability and support

Shimano XTR RD-M9250-SGS-A Di2 Wireless Rear Derailleur - 12-Speed, Long Cage, Shadow ES, Black/Gray Transition upgraded with a suite ofThe Shimano Di2 XTR M9250 wireless long cage derailleur paired with a standard 10 51t M9200 cassette (cassette sold separately) gives riders and racers the speed, range, and robustness to tackle every trail on the mountain. With built in Automatic Crash Recovery, an impact deflecting shape, and simple covered pulley solutions, this derailleur stands up to harsh trail impacts and still retains its lightning quick shifting speed and top level performance