JRL 49cc 50cc 60cc 66cc 80cc Motorized Bicycle Curving Muffler Exhaust Chrome For 49cc 50cc 60cc 66cc 80cc Motorized Bicycle Curving Muffler Exhaust Chrome Size: As picture Hole distance: 40mm Weight:460g Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) High class quality and very durable, Good Working Condition and Easy to Install. Fitment: Fits for 49cc to 80cc 2-Stroke Engine Motorized Bicycles. Size: As picture