Topic: Tubes


Bob56    -- 07-05-2025 @ 9:29 AM
  Which tubes would I use on stock 1936 16" tires. TR13 or TR15. Tires are 600-16


51504bat    -- 07-05-2025 @ 11:33 AM
  From Mr. Google:

The primary difference between TR13 and TR15 valve stems lies in their base diameter and the corresponding rim hole size. TR15 stems have a larger base diameter and are designed for larger rim holes (typically around .625 inches), while TR13 stems have a smaller base diameter and are designed for smaller rim holes (around .453 inches)



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Bob56    -- 07-05-2025 @ 2:24 PM
  I know the difference is in the diameter of the valve stem just wanted to know which is correct for stock 1936 rims


Bob56    -- 07-08-2025 @ 4:12 AM
  would anyone have this info? Don't want to order the wrong tubes


zeke3    -- 07-08-2025 @ 1:28 PM
  My stock 1937 wide five rims have the larger valve stems on the tubes, they measured above 1/2” in diameter, closer to 9/16” to 5/8”. These tires were mounted back around 1967, so they have been on awhile, haven’t been on the road since 1971. I hope this helps you make a decision.


51woodie    -- 07-08-2025 @ 5:21 PM
  The tubes that Universal Vintage Tire put in my 600-16 bias tires on my '46 Coupe, were listed on the invoice as; "KR-16 600/650R16 TR15 Radial Tube".


Bob56    -- 07-09-2025 @ 2:56 AM
  Thank you. That is what I was looking for


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