What brake sensors do I need for drop handlebars? 31 January 2019 18:25 Updated Follow We advise the hydraulic brake sensors for ease of wiring Related articles What brakes fit with Swytch? How does my disk brake fit with the Swytch motor wheel? I only have one brake, will your system work? Do I need a torque arm? If I have a quick release wheel can I still Swytch?