SPECIFICATIONS Frame : Light Alloy 6061 Fork : Raleigh Suspension Fork Bottom Bracket : Sealed Cartridge Crank Set : Steel Plastified 42-34-24T, 170mm Pedal : PVC Chain : 1/2 X 1/8 Inch Rims : Raleigh Double Wall Alloy 36H Hubs : Steel 36H With Front QR Tires : 27.5 x 2.10 Brake Set : Mechanical Disc Brakes Head Set : Neco Threadless Handle Bar : Steel Grips : Soft Rubber Compound Stem : Alloy Threadless Seat Post : Alloy 27.2mm Seat Clamp : Alloy QR