Shimano XT Di2 RD-M8250-GS 12v rear derailleur 2025

Optimised to survive impacts, the M8250 12-speed medium cage rear derailleur is the ideal choice for everyday trail riding, offering unrivalled durability, fast and precise shifting, and further weight reduction when combined with the compact 9-45D cassette. With all-new Di2 shifting, automatic shock recovery, a 500% ratio range, and 23mm of additional ground clearance for impact-free riding, the M8250 rear derailleur is built for reliability, so you can focus solely on the trail ahead.

Features

Robust design: Wide link structure, skid plate design, durable aluminium plate, and solid pulley add strength and durability.
RD Protection function: The new Automatic Impact Recovery function instantly returns the derailleur to its original position after impact.
SHIMANO SHADOW ES: The slimmer and more robust evolution of SHADOW RD+, SHIMANO's pioneering chain stabilisation idea.
Precise and clean wireless shifting: Precise and ultra-fast shifting, and a 500% ratio range, without sacrificing anything.
Protected battery: Tucked safely inside an enclosed space, the battery won't move even over the roughest terrain, while remaining easily removable for recharging.
Covered pulley and cage: The robust pulley and shielded teeth prevent trail debris from clogging the flow.

Tech Specs

Series: DEORE XT
Sprockets: 12
Compatible chain: 12-speed HG
Material: aluminium, plastic; cage: aluminium
Version: Di2 wireless, 1x12 speed, mid-length cage
Gearbox compatibility: Shimano Deore XT Di2 SW-M8250
Total capacity: 36 teeth
Max. largest sprocket: 45 teeth
Min. largest sprocket: 45 teeth
Max. smallest sprocket: 10 teeth
Min. smallest sprocket: 9 teeth

Find out more on the packaging of this item.