JRL 47mm Engine Barrel Cylinder Bore Fit 66cc 80cc 2 Stroke Motorised Motorized Bicycle Fits:66cc 80cc 2-Cycle Motorised Motorized Bicycle Package Include:1*Cylinder & 1*Gasket Weight:About 580g Size:As Picture Note: This is a non-original aftermarket part. Please check the size for compatibility before ordering it.