Well, I’m pretty sure it’s happening to everyone, it’s just the rate that varies. The air pressure inside the tube is much higher than that on the outside, so some air will want to get out. It will find tiny little cracks and will use them to escape. I think some may even diffuse through the walls of the tube, but I’m not too sure.
I usually pump my tyre every two weeks or so. I like to keep it at low pressure.
yeh slow puncture. make sure you carefully feel and look round inside the tyre for anything rough or sharp that might puncture the new tube aswell. also if you arent a weight saving freak you can cut up the old tube and use it to line the inside of the tire to improve future puncture resistance.
Slow punctures are sometimes worse, could well be a dodgey valve which is unfixable. My coker has a slow at the moment associated with valve damage but it only needs pumping about once a week, so I’m leaving it for now.
£2 is what, $4? It takes me about 10 minutes to properly patch a tube (find the hole, rough the surface, apply rubber cement, cut out a patch, wait for cement to partially cure, apply patch, presto you just saved £2)
In terms of £/hour thats like working for £12/h and most of that time is waiting for the glue to get tacky, not to bad eh?
there’s also the risk of accidentally nicking the tube when refitting or missing another hole, leading to another 30-40 minutes of work to dissasemble and find the hole. And that assumes it’s not a slow, several day puncture which is very hard to find or that the rubber cement hasnt gone hard since the last puncture repair…plus im kinda lazy and fairly well off at the moment. i will fix punctures in the middle of nowhere or if i happen to have the whole afternoon free or something.