2
votes
1answer
71 views

Do tire / tube / valve combinations that don't leak air exist?

I'm not clear on why tire pressure decreases over time. I understand that air escapes through the tube. Possibly some leaks through the valve too? In any case, do tire / tube / valve combinations ...
1
vote
1answer
68 views

How to select a tube?

Hi I got a used bike and my experience with bikes is very limited. The tires and tubes are all broken so I need to get new ones. I found these tires: ...
2
votes
1answer
422 views

Does valve stem diameter matter for my rims?

Got an old bike that I restored some time ago, and the original tubes literately burst on me today (I knew I should have replaced them long ago, they are probably 10 years old) and now I have some ...
8
votes
6answers
35k views

How to inflate a tire with a Presta valve?

My new bike has these thin tires with a type of valve I haven't usedbefore. I searched online and found out it's called a Presta valve, and it's pretty common and popular. I'm finding it annoying and ...
2
votes
2answers
364 views

Bicycle with 1 tire with Presta valve and 1 with Schrader valve

One simple question: I have a mountain bike that has 2 tires with schrader valves. I bought a new tube with a presta valve by mistake. Do you see any issues with replacing one of the tubes that had a ...