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

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1answer
2k views

Flat tire: white liquid inside the tube

I got a flat tire, kind of a big hole in the inner tube. It was raining a lot so I walked home through the rain and water puddles, and everything got wet. Now I want to patch the inner tube, but ...
4
votes
3answers
728 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 ...
4
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4answers
1k views

Are tubular tires still used today?

I bought an older second-hand racing bike, which has tubular tires mounted. I went to a bike shop and wanted to buy a spare tubular tire, but they told me: Wow, such an old bike! No, we don't have ...
4
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5answers
537 views

Self-made studded tyre with glue?

Can I glue circular pieces of some sort of uneven tiny metal heads, on every other knob of my mountain bike tyre, to bike in winter with snow and ice? If glue sounds too naive to some, there are some ...
4
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3answers
1k 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 ...
4
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3answers
22k views

Can I put a road bike tyre on a mountain bike? [duplicate]

I am finding it difficult to ride a Mountain bike, I feel that it may be more comfortable to change the tyre to that of a road bike, which are thinner in size. Please advise if I can do so.
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4answers
1k 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 ...
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3answers
2k views

New 26“ inner tube different size to old 26” inner tube

The new 26" MTB inner tube is much bigger than my 26" wheel (and old 26" MTB inner tube). I don't understand why. How to shopcorrectly for new tube? The bike is 1990s Raleigh mountain bike. Edit: ...
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2answers
451 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 ...
4
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2answers
932 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 ...
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3answers
233 views

After fall bicycle feels really slippery

I fell pretty bad this winter, and after that (even now without a trace of snow where I live) I feel the bike really slippery, mostly the front wheel. Riding on slightly uneven surfaces makes me feel ...
4
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2answers
235 views

replaced tire, now wheel flexes side to side

I have an 85 Raleigh that until yesterday had never had its rear tire replaced over the life of the bicycle. Before I replaced it, the wheel seemed fairly stiff. I don't know if the old tire was so ...
4
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2answers
12k views

How do I determine my wheel size

Would someone explain wheel sizes. If I am not mistaken, the wheels on my Trek 520 touring bike are 700C. There are no markings, and of course, no documentation of any kind. I assume 700 means 700mm, ...
4
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4answers
252 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 ...
4
votes
1answer
289 views

Bead Separated from Fabric

The metal bead on my tire seems to have come out of the fabric in one spot, and so the tire no longer stays in the rim. Is it possible to fix this, or do I need to get a new tire?
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3answers
5k views

Is my pressure gauge broken?

I recently got an xtech pressure gauge that reads up to 160psi. My bike is a road bike that uses presta valves on the inner tubes. Here's the gauge (the one at the bottom): ...
4
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2answers
10k views

Deformed/uneven/bumpy wheel/tire/tube, how to diagnose or repair?

My bike has a deformation in the rear wheel, almost surely not due to the rim. At some point the tire has a "valley", causing it to bump instead of rolling smoothly. I'd like to understand if I have ...
4
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4answers
152 views

Thinking of putting wider tires on intro Scattante w330…thoughts?

I'm buying a used Scattante 44cm w330 with starter components and I'm fairly new to biking/commuting by bike. My commute to work is fairly short, but its through a busy downtown area. I'm not so ...
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6answers
2k views

What are the consequences of riding a bicycle tire backwards?

When putting a new tire on a bicycle, there is usually a note somewhere on the sidewall showing the direction the tire is supposed to rotate when you are on the bicycle. However, the last time I ...
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2answers
483 views

Riding packed limestone trails on 700x23 ties

I recently bought a Trek 2.1 and it came with 700x23 100psi tires. I do a lot of road riding, but every once in a while the packed limestone (rails-to-trails) trails are the better option. I've ridden ...
4
votes
1answer
568 views

Is there a way to estimate contact patch size given tire size plus tire volume and rider weight?

Is there a way to estimate contact patch size given tire size plus tire volume and rider weight? Specifically, I've tried to build a unicycle that maximizes contact patch for riding on soft snow. I ...
4
votes
1answer
164 views

What kind of portable pump should I carry when riding on a fat bike?

However, I just got a fat bike with 4.5in tires. I know that my portable hand pump takes a long time to pump mountain bike tires due to it being optimized for high pressure / low volume. What type of ...
4
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2answers
159 views

Fatbike tire footprints?

I am curious if there are any empirical experiments, or theoretical computational results, comparing the "footprint" size of the various fatbike/29er/mountain bike tires? There are lots of claims ...
4
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2answers
565 views

Will Slick Tires Work for a Mountain Bike Ridden by a Heavier Rider?

I've owned a Trek 3500 bike (shown below) for 2.5 years now and I like it very much. My bike has the same specs as under the link. It has the XL frame size and 26" wheels with Bontrager AT-550 ...
4
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1answer
338 views

What is the lifespan of a typical road tire?

Assuming no accidents, cuts, or other major traumas, what is the useful life of a typical decent-quality (maybe a Schwalbe Marathon as reference?) road or commuting tire, measured in distance traveled ...
4
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2answers
308 views

What's the shelf life of tublar tires?

I have a set of tubular Continental Sprinter Gatorskin (28" x 22mm) that have been sitting in the box on the floor for close to four years. They look fine, but I'm worried that they won't last long ...
4
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2answers
638 views

Rotate or replace tires

I ride a cross bike mostly on the road right now and my rear tire is wearing much faster than my front, which is to be expected. I found the following thread which I think is a similar question but ...
4
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4answers
219 views

Schwalbe Marathon Plus recurring puncture - options?

Does anyone have any experience of using puncture resistant tyres when they have been cut so badly as the object pierces the tyre right through? Being Mr. Unlucky, 2-3 months ago I managed to get a ...
4
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4answers
2k views

Mountain bike tires for rocky, steep, dirt trails?

I live in central Iowa and travel once a year to the Breck area (Breckenridge, CO) to do mountain biking. Since that is the Rocky Mountains, well they are rocky and steep. Very different terrain from ...
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4answers
584 views

Puncture-proof 20" tires? [closed]

A friend is about to buy a second-hand Dahon Vitesse D7HG with the usual 20" wheels. Since she knows nothing about bike mechanics, doesn't want to learn, and that bike has a Nexus 7 hub gear system, ...
3
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5answers
2k views

How much does rider weight increase tire pressure?

When a person sits on a bike, the air pressure in the tires must go up because of the additional weight. With 100 PSI in 700x23 tires on a riderless bike, what is the air pressure when a 100 lb rider ...
3
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7answers
19k views

Why do my tires keep losing air, even after having the tubes replaced?

I had a problem a few weeks ago where my tires were flat and needed air every time I took my bike out of the garage. I brought it to the local bike shop, and they replaced my tubes. This made a ...
3
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4answers
2k views

Are 32mm tires ideal for a fast commuter bike?

I am considering a faster bike to replace my XC for commuting. I am thinking hybrid/cross/road bike with wider tires. My question is whether 28mm tires are enough or if I should go with 32mm like Trek ...
3
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3answers
417 views

Should I get wider tyres/tires for my tour if I'm not going to go off-road?

I'm going to do a ten-day long tour down the west coast of New Zealand. I'll have some luggage in rear panniers, but no tent (staying with friends and in backpackers accommodation). There'll be a fair ...
3
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4answers
2k views

Anti-puncture options

I ride my bike to work. But every time I get a flat tire, my schedule is messed up because bike shops are not easily available on my town. Is there any other option besides puncture-proof tires?
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3answers
421 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
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3answers
2k views

Air compressor to fill up to 60 PSI

I am looking for an air compressor and wish to get one which is not under or over powered. I am looking at one in a catalogue which has the following attributes: 40 Litres/min free air delivery 1hp ...
3
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4answers
1k views

difficulty inflating my bike tire

When trying to inflate my bike tire, I pump maybe 5 times then it gets difficult for me to pump because the handle is hard to pump?
3
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4answers
737 views

What tire should I put on my road/commuter bike to prepare for a New York winter?

I have a road/commuter bike (Specialized Tricross) I use for commuting daily in New York City. The roads here can be quite harsh, with everything from leaves and branches to glass and potholes. The ...
3
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1answer
7k views

A general explanation of rim, tire and tube specifications

My bike's manufacturer page specifies that it has a rim size of 700CX14GX36H. It provides a tire size of 7X28C. It also mentions that it uses high performance 700C tires, which I think is also ...
3
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3answers
430 views

Tyre Rubber Classifications

I was looking through a bike catalogue at one of the high-end road bikes (a $6000 Giant Propel) and I couldn't help but notice that this bike is advertised with specific tyres for front and rear ...
3
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5answers
262 views

Frequent flats with Michelin Pro3's

Since switching from the Michelin Pro2's to the new Pro3's I've experienced an increase in puncture flats. Nothing has else has really changed in riding style or conditions. The Pro3 ride much ...
3
votes
2answers
244 views

Front tire skidding, resulted in a crash, any advice?

I have been cycling my whole life, and for about a year I have been doing 25km a day, without any problems. I got new Vittoria Rubino 23s tires a few weeks ago and I had no problems for 3 weeks since, ...
3
votes
3answers
295 views

Does the rear tyre carry more weight than the front tyre?

As I'm riding my bike, it looks as if the rear tyre is carrying more weight than the front tyre: The rear tyre looks more squished downwards, even though both are equally well-inflated. This I think ...
3
votes
2answers
149 views

Armadillo's or Kevlar Inserts?

So, I've had at least two flat tires on my way to work. Therefore, I'm tempted to splurge on a pair of Specialized Armadillo's (not the elites...) However, I am not a particularly skilled rider. I ...
3
votes
2answers
572 views

Using a much heavier rear tyre than in the front

For the last 3 years I've been using light (800grams) tyres front and rear. Since I've been having too many rear tyre pinch flats (tried everything: high PSI, tubeless, heavy duty tubes) I'd like to ...
3
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3answers
1k views

Back wheel skidding out

On my cycle to work this morning I noticed my back wheel was skidding out as I was going up a fairly steep hill. It did it enough that I thought I'd probably gotten a flat, however upon inspection it ...
3
votes
3answers
388 views

Small Tear in Michelin Pro4 Tire, Does It Need To Be Replaced?

Got back from a bike ride and noticed a small tear on the sidewall of my tire. I'm wondering if I can just seal it with some Goo Gone or do I need to replace the tire. I do have spares lying around so ...
3
votes
2answers
375 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 ...
3
votes
3answers
925 views

My Road bike pedals locked up tonight. Why?

I was riding my road bike and my pedals locked up and I couldn't spin anymore. I got off the bike to check the gears and chains and while fiddling with them I heard a loud POP and my rear tire popped ...