monocycle,Unicycle Size: 16", 18", 20", 24" Unicycle, monocycleSize: 16", 18", 20", 24" Fork: Square top clamp type fork CP or Painted finish Hub: CP finish (ball bearing) Spoke: 14G*36H, UCP. Crank: Cotterless,CP or black Pedal: Black P.P(contain BS reflector) Tire: 1.75 or 1.95 black ,PAH free Saddle: PU ,with bumper & grip,PAH free Seatpost: Steel,300mm length or size to order