Unicycles: The original one-wheel pedal cycle pre-dating the modern bicycle.

A unicycle is a single-wheeled, human-powered vehicle that requires balance and skill to ride. Unlike a bicycle, a unicycle does not have handlebars, and the rider must sit atop the single wheel while pedaling and maintaining balance.

Unicycles (Approximate bicycle dimensions): A single wheel and seatpost, highly variable dimensions.

Approximate price ranges for 'Unicycles' type of bike (minimum - average - maximum prices): $50 - $200 - $1,000

1. General Information
  • Name and type: Unicycle
  • Purpose: Recreational riding, performance, and skill development
  • Price range: Budget to high-end
  • Suitable for: Riders of all ages with good balance and coordination
2. Characteristics


  • Material: Aluminum, steel, or titanium
  • Geometry: Simple, consisting of a seat post and a fork that holds the wheel


  • Diameter: Varies, typically 16, 20, 24, or 36 inches
  • Tire type: Varies, usually a smooth or lightly treaded tire
  • Rim material: Aluminum or steel


  • Number of gears: Single-speed (direct drive)
  • Crank arm type: Square taper or ISIS spline
  • Pedals: Platform or cage, often with pins for grip


  • Type: None (rider stops by resisting pedal motion)

Seat post and Saddle

  • Seat post type: Straight or curved, often with a quick-release clamp
  • Saddle type: Varies, often a slim, lightly padded saddle
  • Material: Synthetic or leather

Unicycle weight:4-7 kg (9-15 lbs), depending on size and materials

3. Features
  • Additional equipment: Some models include a handlebar or a backrest for support
  • Accessories included: Varies, may include a carrying case or a stand
  • Unique characteristics or technologies: Direct drive, no freewheeling mechanism
  • Compatibility with additional equipment: Limited, due to the simple design
4. Advantages and Disadvantages
  • Main advantages: Develops balance, coordination, and core strength; highly maneuverable
  • Potential disadvantages or limitations: Steep learning curve, limited practical use for transportation
  • Comparison with other similar bike types: More challenging and less stable than bicycles or tricycles
5. Target Audience and Recommendations
  • Suitable for: Riders who enjoy a challenge, want to develop balance and coordination, or perform tricks
  • Seat post height recommendations: Adjusted so that the rider's extended leg has a slight bend at the knee
  • Maintenance and care tips: Regular tire pressure checks, bearing lubrication, and crank bolt tightening
6. Popular Models and Manufacturers
  • Examples of popular models: Kris Holm 26" Muni, Sun Classic 24", Torker LX 20"
  • Well-known brands specializing in this type: Kris Holm, Sun Bicycles, Torker, Qu-Ax, Nimbus
7. Conclusion
  • Summary of key characteristics and advantages: Unicycles are single-wheeled, human-powered vehicles that require balance and skill to ride, offering a unique challenge and opportunity for skill development and performance
  • Optimal choice for: Riders who enjoy a challenge, want to develop their balance and coordination, or perform tricks, and are willing to invest time in learning and practicing the unique skills required to ride a unicycle proficiently