These bikes are the latest on the market and come in a range of race replica designs that the british superbikes use. The specifications are below1) user age: >14 years old2) max. Load:110kg3) product dimensions:102 x 50 x 56cm4) speed:55km/h5) engine: Two-stroke, air-cooled6) displacement:49cc7) torque:2.4n. M/8000rpm8) tank capacity:1l9) oil type: Petrol and engine oil mix (25:1 proportion)10) starter: Pull start11) transmission: Chain driven12) tire:11" tubeless tire13) brakes: Disc brakesOuter packing:Carton dimensions:106 x 38.5 x 56.5cmConveyance:Qty/20" FCL:128pcsQty/40" FCL:272pcsQty/40" hq:316pcs