They typically have a modified mountain bike frame with a tall head tube to provide an upright riding position, 26-inch wheels, and 1.75 or 1.95-inch (45–50 mm) smooth or semi-slick tires.
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City bikes are designed to have reasonably quick, yet solid and predictable handling, and are normally fitted with full fenders for use in all weather conditions. Using a sturdy welded Chromoly or aluminum frame derived from the mountain bike, the city bike is more capable of handling urban hazards such as deep potholes, drainage grates, and jumps off city curbs. It usually features mountain bike-sized (26-inch) wheels, a more upright seating position, and fairly wide 1.5–1.95-inch (38–50 mm) heavy belted tires designed to shrug off-road hazards commonly found in the city, such as broken glass.
The city bike differs from the familiar European city bike in its mountain bike heritage, gearing, and strong yet lightweight frame construction. City bike: optimized for the rough-and-tumble of urban commuting.A well-equipped commuter bike typically features front and rear lights for use in the early morning or late evening hours encountered at the start or end of a business day It sometimes, though not always, has an enclosed chainguard to allow a rider to pedal the bike in long pants without entangling them in the chain. It typically features derailleur gearing, 700c wheels with fairly light 1.125-inch (28 mm) tires, a carrier rack, full fenders, and a frame with suitable mounting points for attachment of various load-carrying baskets or panniers. Commuter: designed specifically for commuting over short or long distances.Trekking bike: a hybrid with all the accessories necessary for bicycle touring-mudguards, pannier rack, lights, etc.They have a light frame, medium gauge wheels, and derailleur gearing, and feature straight or curved-back, touring handlebars for more upright riding. Hybrid bicycles are a compromise between the mountain and racing style bicycles which replaced European-style utility bikes in North America in the early 1990s.Randonneur or Audax bicycles are designed for randonnées or brevet rides, and fall in between racing bicycles and those intended for touring in terms of the frame geometry and weight.
Also has wide-range gearing from low ratios to very high ratios, driven with big chainrings or special cassettes like Shimano's Capreo setup typically with 27 to 33 gears or IGHs. The riders of this touring bike typically carry the loads in backpacks not to lose agility and speed. features an lightweight BMX bike-sized (20-inch/406 mm rims) wheels or (22-inch/451 mm rims) wheels Built-in frames, usually from the BMX racing, minivelos or foldable city/touring bikes. Bicycle Crossroadster) or Sport Touring BMX. They are durable and comfortable, capable of transporting baggage, and have a wide gear range. Touring bicycles are designed for bicycle touring and long journeys.
Road bicycles are designed for traveling at speed on paved roads.The main categories of bicycles concerning their intended use are:
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