SPECIFICATIONS Size : 18, 19 Inch Frame : Light Alloy 6061 Fork : Raleigh Suspension Bottom Bracket : Sealed Cartridge Crank Set : 1/8x44T Steel with Single Guard Pedal : PVC Freewheel : 1/8 x 18T Chain : 1/8 x 102 L Rims : Raleigh Double Wall Alloy 36H Hubs : Steel 36H With Front QR Tires : Kenda 27.5 x 2.10 Brake Set : Mechanical Disc Brakes Head Set : Neco Threadless Handle Bar : Raleigh Steel Grips : Soft Rubber Compound Stem : Raleigh Alloy Seat Post : Alloy 27.2mm Saddle : Black Seat Clamp : Alloy QR