Shimano GRX RD-RX815 Di2 Shadow+ 11 Speed Rear Derailleur - Rear Derailleur - 11 Speed - Black - Mid Cage - 34T Max YGroup_7214240956461 Incorporating extra-fine merino wool as

Incorporating extra-fine merino wool as well as a moisture-wicking fibre

The flat stitch toe construction stops chafing and irritation while you ride

The hexagonal tread pattern offers excellent grip for the ultimate pedal control

Element Resistance: It's got a water-resistant coating to minimise liquid penetration and offers great wind protection but it's not a rain jacket so don't expect too much from it

Supreme 7 alloy construction offers top-tier durability without extra weight

Shimano GRX RD-RX815 Di2 Shadow+ 11 Speed Rear Derailleur - Rear Derailleur - 11 Speed - Black - Mid Cage - 34T Max YGroup_7214240956461 Incorporating extra-fine merino wool asDesigned for riding on rough roads, through gravel and mud, to be able to carry on in comfort, stress free, to wherever you want, to allow you to achieve that unique sense of accomplishment. The first groupset designed for Gravel riding Explore beyond. Introducing SHIMANO GRX Adjustable chain stabilizer prevents chain slapping and drops Switch stabilizer ON OFF to match the terrain Gravel tuned clutch tension Silent and uninterrupted rear shifting on