Bicycles, 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 mud-guards, chains, chain-guards, wheel hubs, brakes, handle bar control levers, shift levers, toe straps and clips, luggage racks adapted for bicycles, bicycle bells, bicycle stop stands, rearview mirrors, tire patches, baby carriages, bicycle canteen racks, bicycle holders for vehicles, bags adapted for bicycles, bicycle handle-bar grip covers, baskets adapted for bicycles, bicycle protective wheels, wheel covers, bicycle shock absorbers, bicycle rims, direction indicators for bicycles