Bicycles; bicycle parts, namely, structural parts for bicycles, namely, bicycle frames, bicycle tires, rims for wheels of bicycles, wheel sprockets for bicycles, tubeless tires for bicycles, inner tubes for bicycles, brakes for bicycles, bicycle seat posts, bicycle forks, bicycle wheel hubs, cranks for bicycles, gears for bicycles, bicycle wheel spokes; bicycle accessories, namely, bicycle bells, panniers adapted for bicycles, transporting bags adapted for bicycles and bicycle wheels, saddle covers for bicycles, stands for bicycles, mudguards for bicycles, anti-theft devices for bicycles, anti-theft alarms for bicycles; chains for bicycles and bicycle chain accessories, namely, chain rings, chain guides, chain cases and chain catchers; brakes for bicycles; brake levers for bicycles; handlebars for bicycles; handlebar grip tapes for bicycles; handlebar extensions for bicycles; handle grips for bicycles; handlebar end plugs for bicycles; bicycle racks for vehicles; saddles for bicycles; seat clamps for bicycles; pedals for bicycles; shock absorbers for bicycles; vibration dampers for bicycles; inner bearings for bicycles; quick releases, namely, a mechanism for attaching a wheel or a saddle to a bicycle by opening and closing a cam lever without using tools; headsets, namely, components for bicycles, namely, headsets which provide a rotatable interface between the bicycle fork and the bicycle frame; bicycle parts, namely, handlebar stems; shifting systems, namely, a mechanism for changing the gears of a bicycle, consisting of shift handles for bicycles, shift cable, chain ring, front derailleur, rear derailleur and bicycle sprockets; shift handles for bicycles; air pumps for bicycles and structural parts thereof; bag and bottle holders specially adapted for bicycles