Bring the top tier of electronic gear shifting to your gravel and adventure riding with the Shimano GRX 815 Di2 STI Lever. Customise the functions via Bluetooth with your smartphone and fine-tune the fit with the reach adjustment. Handling is assured thanks to a raised hood, and you will always have the right gear at your fingertips with an anti-slip texture, so no matter how broken the surface or how gritty the conditions, you will retain control.