MATERIAL: ALLOY MAIN FRAME, STEEL REAR END SIZE WHEEL: 24" SUITABLE FOR 24" MOUNTAIN BIKE WHEELS FRAME SIZE: 16" (measured from the top of the seatpost tube-middle of the bottom bracket) HEAD TUBE DIAMETER: 1 1/8"(suitable for 1 1/8" forks) HEAD TUBE LENGTH: 120mm SUSPENSION UNIT: DNM 1000 lbs per inch V-BRAKE COMPATIBLE NOT DISC BRAKE COMPATIBLE SUITABLE FOR PANNIER RACKS MUDGUARD EYELETS SEATPOST: 27.2mm WEIGHT: 4.92kgs COLOUR: BRUSHED SILVER AND RED Please be advised this stock is perfectly functional/useable but in some cases it may be scratched/marked/soiled due to it being ex factory production stock and therefore in many cases unboxed.