autoluke Posted September 24, 2017 Share Posted September 24, 2017 Looking for two 21 1/2 x 5 1/5 split rims with the double internal ridge , along with the retaining rings. I am attending Hershey if you are selling at the Meet. Link to comment Share on other sites More sharing options...
Layden B Posted September 24, 2017 Share Posted September 24, 2017 Maybe this will help. I know of no 21 1/2" rims. Link to comment Share on other sites More sharing options...
Hubert_25-25 Posted September 24, 2017 Share Posted September 24, 2017 (edited) The best way to tell what rim you have is to measure the circumference of the bead area. 63" is a 20" rim, 66" is a 21" rim, and 69 1/2" is a 22" rim. Just divide the length by PI (3.14). The width is the widest width, shown in the drawing above as A. Edited September 26, 2017 by Hubert_25-25 (see edit history) 1 Link to comment Share on other sites More sharing options...
autoluke Posted September 25, 2017 Author Share Posted September 25, 2017 Thank you both for the information. In readdressing the specifications, it seems that I have a 20" split rim suitable for a 6:00/20 tire. With any luck I can find them in Hershey. Link to comment Share on other sites More sharing options...
viv w Posted September 25, 2017 Share Posted September 25, 2017 Hi Autoluke, there seems to be some confusion with your description. You say you are looking for split rims with a double internal ridge. Then you also say you need the retaining rings?? Split rims look like the one shown by Hubert above, but they don't have retaining rings. Trucks use a rim that has a retaining ring (a Big circlip). From your description, it sounds like you are needing 20 inch split rims with a 4 inch width measured at A as per drawing above. I understand what you mean, when you say it has double internal ridges, these normally had a slight ridge at the rear and a slightly more pronounced one at the front. The ridges are there for the split rim to fit against the felloe. Autoluke, I would suggest you advise what car do you need these rims for, because there are so many types of rims, all are 20 inch, but different manufacturers supplied different auto makers. 1928 and 1929 Chev used 20in rims, without the double inside ridges, but the 28 and 29 can vary in width. My 1928 Chrysler 4 had 20in rims with a very small inner ridge and a "stepped" 1/4in ridge on the outer. I now have a 26 Chrysler G70 with 20in rims that look virtually identical in X section to the 29 Chev ones, but they are not interchangeable. Some split rims come with the wheel clamp lugs attached others do not. I have spent many years trying to make up sets of rims and you will be surprised at the variety out there. So it is important to know what car you need them for. I think a posting for rims for your specific car is more likely to find what you need. Pictures would also help. Best regards Viv. Link to comment Share on other sites More sharing options...
autoluke Posted September 26, 2017 Author Share Posted September 26, 2017 Viv My car is a speedster which was built sometime during the 1020's, so it is difficult to actually identify the chassis. A friend has stated that the wooden spoke wheels appear to be from a Studebaker, but he is not certain. I have replaced two of the old tires with US Royal 6:00/20 which fit well on the surviving rims. Of special note is that the old tires were actually marked as "truck tires", so that your circlip comment would be appropriate to their design. As mentioned earlier, I will be visiting Hershey next week in the hope of finding a pair. Phil Link to comment Share on other sites More sharing options...
Hubert_25-25 Posted September 26, 2017 Share Posted September 26, 2017 Phil, Can you post any photos of the clamp area of your rims. We can help you identify the rims you are looking for. We have the size figured out. At Hershey, look up Vin Cassidy (ask where his booth is). He is my go to guy for rims. Hugh Link to comment Share on other sites More sharing options...
autoluke Posted September 26, 2017 Author Share Posted September 26, 2017 Talk about a "small world". Found out that Cassidy is located 30 minutes from me, and have arranged to see his wheel and rim collection tomorrow. Hubert: Many thanks ! Link to comment Share on other sites More sharing options...
Hubert_25-25 Posted September 26, 2017 Share Posted September 26, 2017 Tell Vin hello please. Hugh from Texas. Link to comment Share on other sites More sharing options...
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