Will Swytch work with a Tandem? 31 January 2019 18:30 Updated Follow Yes! Our 250W kit would work exactly the same. The only difference is it would only detect one person pedalling. Please do be aware that our kits only take a combined weight of 200kg. Related articles Pedal assist sensor (PAS) doesn't fit my bike Can I get a 250w rear motor? What width are the RIM's? Does Swytch work with coaster brakes? Do I need a torque arm?