The rubber attached to the rim of your wheel. Flats, changing tires, selecting tires, etc.

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27
votes
8answers
4k 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 ...
0
votes
7answers
719 views

Are there road bike tires invulnerable to popping?

I am a mountain biker now living in Minneapolis and so I bought a road bike, but I can't keep tires on it to save my life. I 'upgraded' to Continental Attack/Force tires, got a glass shard in the ...
4
votes
2answers
306 views

What could cause a tyre to deform in this way?

I have been riding my bike about 450 miles and following the last ride I noticed the tyre had deformed. I'm riding them at 110 psi, just before the deformation you can see a skid mark. Could it have ...
5
votes
2answers
351 views

MTB tires: why the extended thread on the edges?

I have tires similar to this one: My point is that the tire is quite "flat", with large knobs on the edges, unlike most MTB tires, which are round. The tires feel quite unstable on any hard surface ...
0
votes
1answer
778 views

Hybrid bike how much should I inflate tyres

Hi I just bought a hybrid bike btwin riverside 3. It has 28 inch tires and weights 15kgs. My weight is 75kg. How much should I inflate my tires. And how often should I refill?
4
votes
1answer
312 views

What are pinch flats?

Also known as a snakebite or pinch cut, a pinch flat is a common term among the bicycling community for a certain type of puncture — but what exactly defines one? What causes pinch flats? What helps ...
19
votes
6answers
12k views

Am I too heavy for my road bike tires?

I am wondering if bike tires have a weight limit. I have to admit, I am a large guy at 6'3" 250lb (190 cm, 113,5 kg), and I have always had issues with my road bike's tires getting pinch flats. I ...
6
votes
2answers
252 views

I have a foreign bike, and don't know what pressure to pump it to

I have this old bike, I assume it's Italian from what I've been told by the former owner, and a Google search, but some parts say "Made in France" and "Made is Switzerland", etc... The tires are very ...
16
votes
4answers
2k 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 ...
7
votes
2answers
108 views

How to determine tyre pressure for trail descents?

I ride XC for recreation: trails, dirt roads, gravy roads, some rock beds. The bike has a hard-tail frame with, 80mm travel fork and 2.10 inch tires. I have noticed that pumping the tires a lot makes ...
1
vote
1answer
163 views

What type of tires have tubes inside?

Don't judge me as stupid just yet, I'm not sure if mine's a tubular or tubeless tire but everyone says tubular tires are glued to the metal wheel. However, mine isn't. It consists of a smooth, ...
3
votes
2answers
158 views

Are front and rear tires on BMX bikes interchangeable?

what is the difference between a front tyre and a back tire and would it matter if they was both front tyres or both back tyres on a BMX bike?
0
votes
3answers
315 views

Twisted front tyre

After fixing a front wheel puncture and refitting the inner tube and tyre I noticed that the tyre was slightly twisted on the wheel rim. I put the wheel back on the bike and spun it to make sure the ...
6
votes
1answer
2k views

What does the “c” in bicycle tire size mean?

For instance, in some cases I will see a particular bike tire listed as available in 700x25, 700x25c, 700c x 25, and 700 x 25mm. (Just picking out a number here, it could be 23, 25, 27, etc.) What, ...
2
votes
1answer
105 views

Avoiding road tires which collect grit

One of my tires (the front) was replaced recently, and I notice that it picks up grit (i.e. tiny, sand-sized debris) much more easily than the cheap stock tire (still on the rear) that came with the ...
11
votes
7answers
942 views

Is it possible to glue or patch tire sidewalls?

This morning I discovered that my commuter folding bike had a bad flat tire, and I ran out to buy a new tube, no problem. I didn't notice until after I'd changed the tube that the tire sidewall was ...
32
votes
7answers
4k views

Are slick tires worth it for commuting?

I commute to work on a Marin San Rafael on roads over a mix of flat to steep roads. My bike came with "700 x 35c with Puncture Protection" semi-slick tires: In the bike shed at work I noticed ...
12
votes
10answers
6k views

Which puncture-resistant tires?

I commute on city streets and have had two punctures in 5 months: first a roofing nail, second a small shard of glass. Punctures are a nuisance. I've read some people recommend Schwalbe "Marathon" ...
3
votes
3answers
255 views

Do tires with worn sidewalls need to be replaced?

My bike needs a bit of a tune up, particularly the tires since the back tube has a hole in it. The rims on the bike are 26"x1.5" and the current tires are 26"x2" and both have great tread, but the ...
3
votes
4answers
521 views

Is there a way to fill your tires with nitrogen?

I know this is a rather controversial issue. I was skeptical as well before doing this on my car, and I have not refilled my car tires for several months. Before that I needed to adjust the pressure ...
4
votes
3answers
856 views

What caused diagonal cuts in the sidewalls of my tire?

I noticed some strange damage on my rear tire, where there appear to be diagonally cuts going around the entire wheel. I have no idea what might have caused this damage. I first saw it a few months ...
3
votes
1answer
138 views

How to replace a tube with only one quick stick?

So what is the correct number of quick sticks to swiftly change the tube? I had always thought that the answer is of course 2, but : I can do it twice as fast with one Quik Stick as you can with a ...
10
votes
7answers
9k views

When should you replace tires after getting a flat?

A nail punctured my rear wheel tire today while riding. My question is, how do you know if you need to replace a tire or simply repair it with a tube repair kit? The hole looks pretty nasty. The cap ...
34
votes
12answers
7k 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, ...
2
votes
1answer
222 views

What is the width of Giant CR41, 32-hole rims

I'm tuning up a 2010 Giant TCX 2 which has Giant CR41, 32-hole rims as the only information I can find. There's nothing printed on the rims themselves either. Right now it's using the 700 x 35c Kenda ...
3
votes
1answer
137 views

When not in use, How should I store my tubeless tires?

I have a bike setup with tubeless mountain bike tires. I tend to ride about 20-25 PSI. How should I store my tubeless tires? Does it matter what pressure I store the tires at between rides? Should ...
4
votes
1answer
212 views

Buying slicks for a cross bike

The whole rim/tire size thing baffles me. I have a Specialized cross bike that has DT Swiss rims (622x 14). The tires are Tracer Sport (700 x 33). I would like to get a pair of slicks for longer road ...
-2
votes
3answers
562 views

exploding inner tubes [closed]

Once is happenstance, twice is a coincidence... I just patched my inner tube, rode the bike a bit, parked it in the sun, and about an hour later --BOOM! the tube exploded tearing a 4" gash near the ...
2
votes
2answers
592 views

Rim width / tire section tolerance?

I have a Mavic Open Pro rim in 700 diameter. The manufacturer recommends tire widths between 19 and 28 mm : http://www.mavic.com/en/product/rims/road-triathlon/rims/Open-Pro How strict is this ...
2
votes
1answer
120 views

Rear brake rubs against the tire

I just had my rear tire replaced at an -- admittedly shady -- bike shop, and now the upper part of the rear brake is rubbing against the lower part of the tire: The yellow dust on the picture ...
5
votes
5answers
370 views

Can fresh hot asphalt damage slicks?

Today I was riding with my road bike when I suddenly hit a patch of hot asphalt. The day before the one side of the road was already filled with a hard first load, so I didn't think much of riding ...
1
vote
2answers
187 views

Running one wheel with clincher and one with Tubular

I have a carbon clincher wheelset and am looking to get a disc wheel, but don't want to spend the money for the clincher version. Would there be any foreseeable issue with running one wheel with a ...
3
votes
2answers
573 views

Can outer tyre (casing) punctures/cuts be fixed?

My flatmate got his tyre stabbed. With a knife, it seems. (The bike was tied to a staircase railing in the building and was obviously in some maniac's way. Though there was plenty of room around. And ...
1
vote
2answers
124 views

Watts per wheel on my cyclocross

I have a pair of Continental Cyclocross Race, 700x35c, folding for my Fuji Cross 2.0 cyclocross. I just bought a pair of Continental Grand Prix 24. I had a look at this study where different tires ...
3
votes
2answers
251 views

Brakepads are burning tyres out

I have a Jamis Allegro Sport Hybrid (6 months old) and has gone about 400 miles so far. Today I had an accident (in the UK) because the rear tyre got punctured after hitting a good size pothole. I ...
6
votes
2answers
651 views

Can oil/grease damage tires?

I've noticed a small puddle of light oil beneath the rear wheel of our Rohloff-equipped tandem. I'm told that a small amount of leakage is normal and I'm not worried about that. The issue is that a ...
4
votes
2answers
288 views

What is the largest hole a tire can bear before replacement?

Saw this question today. The tire in question has a 2cm long hole on the inside, from a knife. I sometimes get puncture flats from e.g. glass. Never as big as 2cm. Usually if they're less than ...
5
votes
3answers
322 views

What factors influence the maximum tire pressure other than the tire itself?

On the tires of a bike, there is a label which shows the maximum allowed pressure for it. However, I am wondering if there are any other factors that affect the maximum allowed pressure in a tire? ...
4
votes
4answers
1k views

What weather conditions are slicks suitable for?

I currently use 700x25 slicks on my commuting bike, to get the easiest ride possible. I also own: 700x28 with some tread 700x35 metal studded snow tires (Purchased last year for UK snow) ...
1
vote
2answers
477 views

tyre size for a 28" bike, at the moment: 35C, is 32C too narrow?

since my tyres are a little old and won't make it much longer, I will buy new ones. At the moment I have Schwalbe Marathon 700-35C and I was thinking to replace them with a Continental Contact II 700 ...
2
votes
3answers
131 views

Tubeless fatbike setup, does valve choice matter?

I've got a pugsly setup as tubeless, running endomorph tires, typically I run between 8 and 12 PSI in the tires depending on the conditions. Is there a significant difference between performance of ...
7
votes
2answers
937 views

Winter Tires with removed studs as Summer Tires?

I have just a set of summer tires in very poor condition and a huge heap of studded winter tires. Selling winter tires is very hard so I got an idea to use the winter tires as summer tires with ...
3
votes
1answer
2k views

What does the label on a tire mean?

I went to a bike shop for new tires. I did not know which tires fit on my bike, so I just showed them my bike. When I took a look at the new tires, there was a label at the side, which says: ...
1
vote
1answer
387 views

Rear tire has started rubbing frame at one spot

Riding my bike within my suburban residential neighborhood, I felt a shock, like a snap although I don't think anything snapped, followed by a rubbing noise every few seconds. Pedaling and the brakes ...
15
votes
4answers
660 views

What to do with old tires?

I recently upgraded to puncture resistant tires on my road bike. The previous tires are old, but still usable. Is there any value to doing anything other than throwing them out? For instance, is there ...
0
votes
5answers
571 views

How can I repair a swollen tire allowing visibility on the inner tube (picture provided)?

I have a new problem on my bike which occured after patching my inner tube. Since I put the patch on, my tire is pushed out away from the rim near the intake valve (not near the patch). In the picture ...
1
vote
2answers
539 views

Can I damage a tubeless rim using a wire bead tire on it?

This question is very similar to Can I use a standard tyre on a tubeless rim? but while the answers there set out that it's possible I'd like to understand the risks of doing it. I recently saw a ...
6
votes
6answers
9k views

Choosing good slick tires for a MTB

I have an MTB with tires that roll very badly on pavement because of plastic spikes. I'm looking to get a pair of slicks and I'm hoping to get some advice here. My bike is a 29", I think they current ...
6
votes
1answer
223 views

Water in my back tire

I commute 17 miles to and from work each day on a road bike, and I recently picked up a puncture. This was no problem. However, on my ride to work this morning it was raining rather heavily and there ...
16
votes
7answers
10k views

How to get the tyre back on to the rim easily?

What is the best/easiest way to get the tyre back on to a rim after removing it to fix a puncture for example? Some tyres can be really hard to get back on to the rim. I don't like using the tyre ...