Compatibility: The sprocket is compatible with 50cc 70cc 90cc 110cc 125cc pits, mini bicycles, ATVs, and go karts. Size: Chain wheel 420, number of teeth: 17T, hole diameter: 17mm, installation hole spacing: 31mm. Diameter: 72mm. Material: Made of stainless steel material, with good corrosion resistance and heat resistance The packaging includes: 2 sprockets, 4 screws, and 2 snap rings. Note: Please verify the model and size to ensure that this is the correct part. 420 represents the chain model, 17T represents the number of gears, and finally the size of the mounting holes. Material Stainless steel Size 72mm Aperture 17mm Gear 420 17T Quantity 2 sets Type sprocket Brand Unbranded/Generic MPN MEM94670988456 Manufacturer Part Number Do.
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