SPECIFICATIONS Frame : Hi-Ten Steel Fork : Steel Rigid Bottom Bracket : Sealed Cartridge Crank Set : Steel Plastified 42-34-24T, 170mm Pedal : PVC Front Derailleur : Shimano Tourney FD-TZ500 Rear Derailleur : Shimano Tourney RD-TZ500 Shifters : Shimano EF500 3x7 Speed Freewheel : Shimano MF-TZ500, 7 Speed Chain : 1/2 x 3/32 Inch Rims : Double Wall Alloy Rims 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 : Threadless Alloy Seat Post : Steel 28.6mm Seat Clamp : Alloy QR