Shimano Deore XT Di2 RD-M8250-SGS Long Cage Rear Derailleur 12 Speed BIKESPORTZ It helps reduce friction and

It helps reduce friction and thus prevents creaking and cracking noises on seatpost and cranks

Ultra-light hollow carbon fiber crank arms

Assign a function to the programmable third button through the E-TUBE

X-Actuation developed specifically for Sram 1x systems for sharp shifting through the entire cassette

Thanks to the push-pull valve

Shimano Deore XT Di2 RD-M8250-SGS Long Cage Rear Derailleur 12 Speed BIKESPORTZ It helps reduce friction andThe all new DEORE XT M8250 long cage derailleur paired with a standard 10 51T M8200 cassette gives all types of riders the range and robustness to tackle every trail on the mountain. With built in Automatic Impact Recovery, a new, impact deflecting wedge shape, and simple covered pulley solutions, this derailleur stands up to harsh trail impacts and still retains its lightning quick shifting speed and high level of performance. Specifications Robust