GOOFIT 20mm Sprocket Front with Holder and Bolts for 50cc 125cc Motorcycle ATV Go Kart Dirt Bike (420-19T)

Inner diameter:20mm/0.78";Hole distance:30mm/1.18"(Please refer to the second picture) Model:420 Style 19 teeth 20mm Chain Material:Steel with hot-treatment,long durable.Package Contain 1 sprocket come with free holder and bolts Warranty:We are always available to help our customers.Please message us for replacement or refund if you are not satisfied with the order