Optimized for impact survivability, the 12-speed mid-cage M8250 rear derailleur is the top choice for everyday trail riding, offering unmatched durability, quick, precise shifts and added weight savings when paired with the 9-45T compact cassette. Featuring all-new wireless Di2 shifting, automatic impact recovery, a 500% gear range and 23 millimeters of additional ground clearance for a bash-free ride, the M8250 rear derailleur is built to be relentlessly reliable so you are free to focus solely on the trail ahead.
Robust Design
A wide link structure, skid-plate design, durable aluminum plate and solid
pulley add robustness and longevity.
RD Protection Function
The new Automatic Impact Recovery function instantly returns the derailleur
to its original position after impact.
SHIMANO SHADOW ES
A slimmer, stronger evolution of Shimano’s pioneering chain-stabilizing
SHADOW RD+ Concept.
Precise & Clean Wireless Shifting
Pinpoint, ultra-fast shifting, and a no-sacrifice 500% gear range.
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/Cage
The solid pulley and shielded pulley teeth prevent trail debris from jamming up your flow.
