Okay most of you know I inherited my grandfather's bicycle accumulation after he passed this bike he started to fix last year he lost the inner spring for the rear wheel but I've seen replacements on Amazon I need to know the age approximate value and where I can find a inner tube to fit it's a Schwinn traveler as you can see in the pictures and that's about all we know about it I do know that the handlebars are engraved sake custom on one side and the other side road champion it also came with a rear view mirror which Grandpa took off saying it would be easier to fix without it on there when the guy brought it he said all the gears were working the only thing wrong with it was the flat rear tire now that I've looked at it though the little threads on the front tire also raveling and the back tire has raveled too so I don't know if they're worth replacing I don't know how much it would cost to replace them basically I need to know the value of the bike now and if I can fix the rear wheel but they're not it's worth it thanks pictures below.