[Sturdy & Durable Construction]: 16' Wheel Unicycle features strong manganese steel frame, 2-layers tire and adjustable seat; Extra thick aluminum alloy rim for long time use, leakage protection [28' to 32' Adjustable Seat]: For users of different height and easy storage, also detachable for easy storage [Safe to Ride]: Skid proof design outer tire and pedal to prevent slipping. Plastic handle on the seat for beginner to grab onto while riding [Easy to Assembly]: Quick release seat post clamp and a wrench comes with the unicycle, completes installation in minutes and get ready for a challenging while funny riding moment [Mute Bearing]: Provides noiseless & comfortable riding experience