Bicycles; bicycle parts and bicycle accessories, namely, trailer couplings, bicycle brakes, brake linings, brake levers, bicycle frames, bicycle forks, panniers adapted for bicycles, transporting bags adapted for bicycles, bicycle air pumps and their parts, bicycle rims, front and rear bicycle rack packs, bicycle gears, horns for bicycles, inner bearings, bicycle bells, bicycle chains, chain rings, children's safety seats for bicycles, cranks for bicycles, wheels for bicycles, handlebars, handlebar tapes, handle grips, handlebar extensions, wheel hubs for bicycles, pedals, tires for bicycles, wheel sprockets, rear-view mirrors, saddles, bicycle seat posts, safety and retaining belts for bicycle seats, spokes for bicycle wheels, components for bicycles in the nature of headsets which provide a rotatable interface between the bicycle fork and the bicycle frame, shock absorbers, gearshift handles, shifting systems, namely, a mechanism for shifting the gears of a bicycle, consisting of shift handles for bicycles, shift cable, bicycle chain ring, front derailleur, rear derailleur and bicycle sprockets, quick releases for bicycles, mudguards for bicycles, vibration dampers, bag and bottle holders adapted for bicycles, bicycle stems