Shimano Deore XT RD-M8100-GS 12-Speed MTB Rear Derailleur Black

The Shimano Deore XT RD-M8100-GS 12-Speed MTB Rear Derailleur is built for trail riders who want reliable MTB shifting with a calmer, more silent feel. Its GS cage and optimised pulley design help manage the chain efficiently while supporting smooth rear suspension movement, so you can stay composed on fast descents and technical terrain. With compatibility for a 10-45T 1x12 setup and stable performance when conditions get messy, this shimano derailleur helps keep your drivetrain in the right gear—gear after gear.