This a brand new in the package 1/10 HPI H.P.I. Hobby Products International RC R/C 2 Speed Second Gear Set 37/20T 37/20 Tooth, PN: A819. All sales are final. Don't miss out on this one!!!! Comes as is and as seen above. Click on any of the above images for a higher resolution image. Will ship worldwide. Shipping combined on multiple items. Shipping size is 9 x 7 x 1 inches and weighs 6 oz.