Material: 20 inches Hi-tech steel frame.Kenda tire, Steel rim, aluminum ring. Front/Rear brake: Caliper/Band brakeFold up to: L 26" x W.12" x H.22"Net weight: 28 lbs. and single speed.Seat and Handlebar are adjustable and removable,Color available: SILVERFactory warranty for one year of any defect or workmanship.