Shimano Rear derailleur 12v GS

Optimised to withstand impacts, the M9250 12-speed rear derailleur with a medium cage is the choice of top enduro athletes from Shimano and weight-conscious cross-country riders, especially when paired with the compact 9-45 cassette. Featuring the brand new wireless Di2 shifting, automatic recovery after impacts, a redesigned triangular shape, and an additional 23 mm of ground clearance for riding without the risk of hitting debris, this rear derailleur stands out for its rapid gear changes and its ability to keep you competitive on any terrain.

• »Robust design: the wide-joint structure, protective plate design, durable carbon plate, and strong pulley contribute to the durability and longevity.
• »Rear derailleur protection function: the new automatic recovery function in case of impact instantly returns the derailleur to its original position after a shock.
• »SHIMANO SHADOW ES: a finer and stronger evolution of the pioneering chain stabilisation concept from Shimano SHADOW.
• »Clean and precise wireless shifting: the wireless Di2 combined with HYPERGLIDE+ technology enables smooth, precise, and instant gear changes.
• »Triangular shape: the new triangular shape of the strongest rear derailleur from Shimano to date avoids the most direct impacts and bounces off rocks smoothly in case of a shock.
• »Protected battery: safely integrated within a closed space, the battery will not move even on rough terrain, while remaining completely removable for charging. * Battery sold separately.