The new 2019 KTM 125 SX is the most compact and lightweight of the full-size bikes and delivers a confidence-inspiring ride like no other. A new lightweight chassis teams up with the most competitive 125cc 2-stroke engine to date, delivering superior agility and power to fulfil the demands of any young adrenalin seeker. This 2-stroke screamer is the ultimate entry point into the pro ranks and a sure-fire way to add to the trophy collection.