BRAND NEW, SPRING BLOWOUT SALES! ONLY @ SUPERBIKE!! - Only the best power, performance and appearance are good enough for first place: the KTM 50 SX Junior - a winner for every ace from the ages of six to nine. The seat height is adjustable from 650 mm upwards, with long suspension travel, disc brakes at the front and rear, a chain guard, as well as the best power output available in this class. And getting off it? Yeah okay, but only when the tank is empty.