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 parts, namely, bicycle mud-guards, chains, chain-guards, wheel hubs, brakes, handle bar control levers, shift levers, toe straps and clips, bicycle bells, bicycle stop stands, rearview mirrors, tire patches, bicycle canteen racks, bicycle handle-bar 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