GEAR 5TH DRIVE is a genuine KTM DUKE 390cc gear/sprocket from the TRANSMISSION I - MAIN SHAFT (INPUT SHAFT) assembly, catalogued for KTM DUKE 390 2018. It is supplied to original-equipment specification for a precise, hassle-free fit on 2018 models.

Ordering by part number JY551230 guarantees you receive the exact item shown. Not sure it fits your bike? Contact us and our team will confirm compatibility before you buy.