Non-motorized bicycles and non-motorized collapsible bicycles for children, electric bicycles and electric collapsible bicycles, and structural parts thereof; parts for bicycles, namely, frames, handlebars, handlebar stems, derailleurs, gears, saddles, saddle covers, saddle bags, seat posts, pedals, cranks, wheels, spokes, pumps, forks, cargo and luggage carriers; bicycle parts, namely, bicycle mud-guards, chains, chain-guards, wheel hubs, brakes, handlebar control levers, shift levers, toe straps and clips, luggage racks adapted for bicycles, bicycle bells, bicycle stop stands, rearview mirrors, tire patches, bicycle canteen racks, bicycle handlebar grip covers, baskets adapted for bicycles, bicycle protective wheels, wheel covers, bicycle shock absorbers, bicycle rims, direction indicators for bicycles; luggage racks adapted for bicycles; bicycle holders for vehicles; bags adapted for bicycles; bicycle trailers