BLOCK CYLINDER is a genuine KTM RC 125cc component from the CYLINDER PISTON assembly, catalogued for KTM RC 125 2021. It is supplied to original-equipment specification for a precise, hassle-free fit on 2021 models.

Ordering by part number JG521010 guarantees you receive the exact item shown. Not sure it fits your bike? Contact us and our team will confirm compatibility before you buy.