Whether you’re riding after work with your friends or taking on an exciting new adventure, the Shimano GRX 812 rear derailleur has you covered. You’ll be able to dominate on every ride thanks to its incredibly versatile chain stabiliser which prevents chain slapping and drops as you shift. Shimano has also installed a switch stabiliser to this model, allowing you the freedom to turn it on/off based on the terrain conditions.

When riding over mixed terrain surfaces with gravel and mud, the RX812 derailleur remains silent and uninterrupted thanks to some of the finest industry-leading technologies. Its Shimano Index System gives you frictionless shifting and smooth action to get you through the harshest roads efficiently.

If you’re interested in exploring further than ever before, the Shimano GRX 812 rear derailleur - 11 speed is an ideal choice of upgrade for an instant and reliable shifting experience.

• Use: Gravel, Road
• Speed: 11-Speed; Mount Type: Standard hanger mount
• Compatibility: Shimano road/gravel 11-Speed shifters
• Compatible Chain: HG-EV 11 speed, HG-X11
• Link Bushings: 4 fluoric coated link bushings
• Low Sprocket Max: 42T; Low Sprocket Min: 40T
• Top Sprocket Max: 11T; Top Sprocket Min: 11T
• Pulley Teeth: 11T
• Total Capacity: 31T
• Spring Type: Shimano Shadow RD+ (Clutch type derailleur)