Shimano Deore Di2 M6250 12-spd Rear Derailleur Model:Long [SGS] It's really easy to attach

It's really easy to attach

easy to fit in a jersey pocket or saddle bag

This makes it a strong and durable bicycle bag

while the ergonomically-optimised 1-finger HC lever blade gives you the ideal braking feel

and controller

Shimano Deore Di2 M6250 12-spd Rear Derailleur Model:Long [SGS] It's really easy to attachPairing the new DEORE M6250 long cage derailleur with a standard 10 51T cassette gives all types of riders the range and robustness to tackle every trail on the mountain at a more approachable cost. With built in Automatic Impact Recovery, an impact deflecting wedge shape, steel plate, and solid pulley, this derailleur stands up to harsh trail impacts, while retaining the precise shifting qualities for which Di2 is known. Other features include