GEAR 1ST DRIVEN is a genuine KTM DUKE 390cc gear/sprocket from the TRANSMISSION II - COUNTER SHAFT (OUTPUT SHAFT) assembly, catalogued for KTM DUKE 390 2017. It is supplied to original-equipment specification for a precise, hassle-free fit on 2017 models.

Ordering by part number JY551232 guarantees you receive the exact item shown. Not sure it fits your bike? Contact us and our team will confirm compatibility before you buy.