" 2015 KTM 50 SXS& nbsp; Power is provided by a 2-Stroke, 49cc, Liquid cooled, Reed Valve, Single-Cylinder engine with Kick starter. The engine is paired with The SX 50 S rides on Aluminum wheels with a 60/100 R12 front tire and 2.75 X 10 rear tire. The front suspension is a Telescopic Fork while the rear suspension is a Twin Sided Swing Arm. Front Hydraulic Disc brakes and rear Hydraulic Disc brakes provide stopping power."