56mm 13mm Pin Piston Ring Kit ZHONGSHEN 140cc Engine PIT PRO DIRT BIKE thumpstar These provide better feel and

These provide better feel and stopping power than the older drum set ups of yesteryear

TOTAL LENGTH approx 280mm DIAMETER OF MOUNT HOLE approx 16mm

0kgs DIMENSION OF BATTERY 150mm X 85MM X 107MM

RATIO 5:1 TOOTH 17 T CHAIN SIZE T8F CHAIN DISTANCE BETWEEN MOUNT HOLES(centre hole to centre hole) approx 70mm

56mm 13mm Pin Piston Ring Kit ZHONGSHEN 140cc Engine PIT PRO DIRT BIKE thumpstar These provide better feel andSKU: R042 Brand New Piston & Ring Pin Kit Set Fit Zhongshen 140cc Engine PIT PRO PIT Bike Trail Dirt Bike Thumpstar Quad ATV Go Kart Dune Buggy DIAMETER OF PISTON approx 55. 91mm HEIGHT OF PISTON approx 42. 51mm LENGTH OF PISTON PIN approx 38. 35mm DIAMETER OF PISTON PIN approx 12. 94mm