GRIN is a Canadian product design and R&D company based in Vancouver that is dedicated to advancing the state of after-market electric bicycle conversion kits. GRIN  design and manufacture unique electric bicycle hardware under our own GRIN brand (Cycle Analyst, Ebike lights, DC-DC converters, Torque Arms, Phaserunner and Grinfieon controllers, All Axle Hub Motor, the Satiator chargers and much more.