A rubber torus shaped balloon which is inflated via a valve inside a tyre to keep it rigid.
26
votes
12answers
4k views
What type of tires can prevent goatheads?
We have a lot of goatheads1 in our area, and they have a tendency to do something like this to bike tires:
Unfortunately, I ride a road bike (specifically a Kona Dew), so I have much smaller, ...
12
votes
5answers
610 views
Which kind of tube valve is the best?
What kind of valve is the best one, a Presta valve (6mm) or a Schrader valve (8mm).
Which has the best reliability, which one is easiest to fix a flat on?
26
votes
11answers
12k views
Can I use a presta tube in a schrader rim?
I keep losing pressure in my tires, and among other things, I'm looking at the valves in the tubes. It's an old mountain bike with 26 inch tires. Can I use presta tubes on rims drilled for schrader ...
20
votes
7answers
2k views
How long should a road tyre hold its pressure?
How long should a road tyre be able to maintain a pressure of around 100psi, and what factors are likely to reduce this time?
Background:
My tyre pressures are consistently dropping to around 60psi ...
8
votes
4answers
1k views
Does the inner tube affect the maximum PSI?
If I have road tires that have a recommended pressure of 110 PSI and maximum of 120 PSI can I safely pump my tires up to that level or does the inner tube effect the maximum?
I currently have the ...
7
votes
5answers
724 views
Slow leak on front cruiser tire
I ride my cruiser to the supermarket and back, using either a trailer or a basket over the front wheel for carrying groceries. The bike has developed a persistent slow leak on the front wheel, and ...
4
votes
4answers
165 views
Which tube size to prefer if several options apply?
I have 40-622 (a.k.a. 28x1.5") tires, and Schwalbe offers
two different sizes of tubes - their models "17" and "19" - as applicable for that tire size.
Ok, either one would surely fit well. But ...
10
votes
7answers
859 views
How do I fix a puncture?
I got a flat/puncture on my bike tube, how can I fix it myself without going to the nearest bike shop? What kind of equipment would I need?
11
votes
9answers
4k views
Patch or replace tube?
Is it worth patching a tube on a mountain bike, or just replace it with a new one?
There are a lot of 1/2" - 3/4" thorns here in Texas, and I use 26 x 1.95 tubes.
Any particular patch type/brand ...
4
votes
3answers
344 views
Is it normal to wear out the rear tire with in a few months when using a trainer?
Early this year I attached my bicycle to a trainer, around the December time frame of 2011. The rear tire and inner tuber where shot by March of 2012. Riding about 24 Miles per week. Is this normal ...
19
votes
11answers
2k views
Do glueless tube patches work as well as glue ones?
Quite a few years ago I tried some glueless patches for repairing my punctured tubes while out on the road, and found that they rarely stayed on for very long. I know that technology has advanced a ...
13
votes
3answers
1k views
Is there a difference in having tires filled with CO² vs Air?
When you fill your tire with a CO² cartridge you are obviously putting CO² into it. When you use a pump you are putting air into it. Are there significant temperature variations that may lead to poor ...
6
votes
3answers
424 views
Frequent blow outs in the same location
I keep getting blow outs in my front tube and always in the same location: right next to the valve stem. The blow outs look like:
On this same tube, there is wear on exactly the other side of the ...
3
votes
3answers
591 views
Best practice for patching snakebite pinch flats on skinny tubes
So, I tend to run 700x23c or 700x25c tires on my commuter bike. Sometimes I'm lazy and forget to check the air pressure and inevitably get a pinch flat when I hit some stationary object, pothole, or ...
