CALLS WORK BEST, emails ignored. I have one set of black 55 pound rear wheel weights. Fits wheel size 12”x24” (12” rim). Was on a John Deere x500. Fits x500 series and others with a 12” rim. Spacing between mounting holes is approximately 8.75 inches on center. Have mounting hardware. Call between 0800, and 0800pm. Thank you. I am in Brockport despite my “716” area code phone number.