Bicycles; bicycle parts, components and accessories, namely, bicycle frames, tubes and connectors for bicycle frames, bicycle wheels, rims and spokes for bicycle wheels, pedals, hubs, wheel hubs, namely, quick-release skewers controlled by cam levers for fast locking same, change-speed gears and front changers, cranks, simple and multiple gear wheels, cranks with gear wheels, gears, free wheels, drive chains, brakes, cable guides, knobs, controls and levers, pillars and saddles, 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, all for bicycles