From JZ Handmade: 120-hp / 290-lb Duke-Powered Dirt Bike… In 2019, we featured the KTM 1290 “Super Enduro R” of legendary Czech off-road racer Jiří Heiník — a 180-bhp off-road monster built to compete in … Continue reading Erzberg Hammer: KTM 890 SX-F Dirt Bike!