Zing Bikes Edge 125cc Big Bore 150cc Barrel & Piston Top End Kit Upgrade

To upgrade your 125cc Engine to a 150cc. New Big Bore 150cc Barrel and Piston Kit Upgrade. with 15mm Piston Pins. Piston Ring Set ?. Pre installed. Piston Pin. Piston Circlip x2. Has the cut out for models with Balance shaft if required.