SPECIFICATIONS Size : 18 Inch Frame : Steel, V-Brakes and Disc Compatible Fork : Raleigh Suspension Fork, Disc & V-Brake Compatible Bottom Bracket : Sealed Cartridge Crank Set : Steel 1/8 x 38T S/Guard Pedal : PVC Chain : 1/8 Rims : Single Wall Alloy Rims 36H Hubs : Steel, 36H Tires : Kenda 26 x 2.10 Brake Set : Front Disc, Rear V-Brake Alloy Head Set : Threaded, Steel Oversized 28.6 Handle Bar : Steel Grips : Soft Rubber Compound Stem : Alloy Quill Seat Post : 28.6 Steel Saddle : Selle Royal Rio Front (Men), Rear Women) Seat Pin : QR Freewheel : 18T