leslie laemmli check on here these might not be exactly for your pogo stick, but you might modify those to fit your Pogo stick. Also check on here. If you can, let us know what brand you have. As for lubrication, some have some oiling points on the tube in which the spring sits. they may be covered by some plastic tabs. Another great site about the Pogo Sticks is right here Hope this helps, good luck and let us know.