1) 125cc engine, kick start only, manual clutch only. 2) The handbar, fuel cap, muffler, rear swing arm, rims,skid plate, front hub, rear hub , foot pedal are alloy. 3) The foot pegs is chrome molly, . 4) It has upside down shock aborber 5) rear adjustable shock 6) The big bore exhaust 7) Alloy frame, Chrome molly frame is available. 8) rear tire/front tire: 2.75-10 , 2.50-12 is available 9) rim: 1.60-10/ front rim 1.60-12 is available 10) chain: 428 heavy duty. 11) carb: 25mm MIKUNI 12) gear: 1 down.,2,3,4 up