Bicycles, parts, components and fittings therefor, namely, bicycles; bicycle frames; tubes and connectors for bicycle frames; bicycle wheels; rims and spokes for bicycle wheels; pedals; quick release pedals for bicycles; hubs; devices for fast locking and complete hubs for these devices; change-speed gears and front changers; cranks; simple and multiple gear wheels; cranks with gears wheels; gears; free wheels; drive chains; brakes; driving and control means for change-speed gears, front changers and brakes; cable guides; knobs and control levers; pillars and saddles; bicycle pumps and pump bearings; pins and bearings for cranks and pedals; steering knuckles and bearings and bushes thereof; front and back forks; cables and sheathes; fastening clips; handle-bars and handle bar connections; tires and tubular tires; bottom brackets and bicycle stands