Bicycles; collapsible bicycles; electric bicycles and electric collapsible bicycles, and structural parts therefor; accessories for bicycles, collapsible bicycles, electric bicycles and electric collapsible bicycles, namely, frames, handlebars, handlebar stems, head sets, derailleurs, gears, saddles, saddle covers, saddle bags, seat posts, seat tubes, pedals, cranks, tires, wheels, tubes, spokes, pumps, forks, carriers, mud guards, chains, chain guards, belts, hubs, brakes and levers, toe straps, and clips; children safety seats, vehicle luggage racks adapted for bicycles; rear vehicle racks for bicycles; bicycle bells; bicycle mud-guards; bicycle stop stands; rearview mirrors; tire patches; baby carriages; bicycle canteen racks; bicycle tire mending device, namely, patches; bicycle pumps; bicycle holders for vehicles; bags adapted for bicycles; ear-top luggage carriers; bicycle handle-bar grip covers; bicycle handle-bar grip strips; trailers; baskets adapted for bicycles; bicycle protective wheels; bicycle training device, namely, training wheels