fede Posted October 16, 2019 Report Share Posted October 16, 2019 Hi, I'm looking for help about where to buy good 600-640 x 16 tubes online. I asked on a facebook group a couple of days ago and one person (I guess it's here too) very kindly recommended Universal Tires, which I didn't know about, but looks very promising. Has anyone used any other place? I tried looking on the coker tires website but I couldn't find the right size. Does anyone have experience with these Universal Tire's tubes? I'm probably going to go ahead with these:https://www.universaltire.com/kr-16-radial-tube.html The size is the right one, and the price seems correct ($21 each) Thanks! Quote Link to comment Share on other sites More sharing options...
Sam Buchanan Posted October 17, 2019 Report Share Posted October 17, 2019 Are your rims too porous to run tubeless? Quote Link to comment Share on other sites More sharing options...
fede Posted October 17, 2019 Author Report Share Posted October 17, 2019 1 hour ago, Sam Buchanan said: Are your rims too porous to run tubeless? Not really sure, they were painted 3 or 4 years ago. Until recently I didn't know it was possible to use tubeless tires on tube wheels and about a year or year and a half ago I got 4 new tube tires. Quote Link to comment Share on other sites More sharing options...
Sam Buchanan Posted October 17, 2019 Report Share Posted October 17, 2019 (edited) My Coker bias-ply tires are working well with no tubes on the standard 1948 wheels. Are you sure your new tires aren't tubeless? Edited October 17, 2019 by Sam Buchanan Quote Link to comment Share on other sites More sharing options...
fede Posted October 18, 2019 Author Report Share Posted October 18, 2019 Yes, they are new, but it's the same design that was being built 60 or 70 years ago. They are from a company called "Funsa". It was the biggest (and there were only a couple) tire manufacturers here in the 50s and 60s. Then it started to sell less and less, and started to go down. They did have tubless radial tires, but just a couple of models and sizes in the 70s and 80s. Eventually they went out of business. About 5 years ago, it kind of came back, but just making the old designs, with the equipment they had when they closed down (but new materials). When I was about to buy them I looked at coker, but what I found was expensive for me, and also I'd have to pay about 90% over the price in shipping and taxes... so I went with the locals. Which are working great for now. Quote Link to comment Share on other sites More sharing options...
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