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

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3answers
590 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
816 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
472 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 ...
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4answers
829 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
1k 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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4answers
271 views

Replacing 14“ x 1.95” With 14“ x 2.125”?

I have a super quick question here, my daughter (she's 5 years old) rides her bicycle extensively, to the point of the actual tire has worn clear through. I didn't think it would be this difficult, ...
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2answers
380 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 ...
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2answers
583 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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2answers
199 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 ...
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2answers
6k 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, ...
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4answers
236 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 ...
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1answer
240 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
4k 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): ...
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4answers
129 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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1answer
744 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 ...
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2answers
467 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
484 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 ...
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2answers
300 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
257 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 ...
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5answers
1k 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
255 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 ...
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2answers
519 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 ...
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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
468 views

Puncture-proof 20" tires?

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, ...
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5answers
1k 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 ...
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7answers
12k 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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3answers
336 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 ...
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3answers
1k 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 ...
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3answers
11k 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
525 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?
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4answers
616 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
5k 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 ...
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3answers
308 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
255 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 ...
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3answers
206 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
107 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
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2answers
452 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
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3answers
270 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
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2answers
320 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
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3answers
750 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 ...
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5answers
386 views

How do I stop punctures for good?

Last night I came out of work to a flat tire. This is the second time I've got a puncture with less than 100km done on a brand new set of schwalbe smart sam tires. needless to say I was quite annoyed. ...
3
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5answers
277 views

Do good tires lessen the chances of your innertube bursting?

I have only bought my bike for a month and a half and within this time span, my innertube actually burst 4 times. The bike itself is relatively cheap so I doubt that the tires are of good quality. I ...
3
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2answers
1k 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 ...
3
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2answers
5k 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 ...
3
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1answer
166 views

Different locations of C in tire sizes

As I understand from this question, the C in tire sizes (when expressed in metric format) is just a historical thing, and should be ignored. As I understood, also, tire sizes expressed in the ISO ...
3
votes
1answer
183 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 ...
3
votes
1answer
270 views

Switch to narrower rims on a hybrid?

Following up on my original wheel issues question, I went to see my local cycling store to tell them about my problem. I want to change rims and would like to have them support tires from 23 to 28mm. ...
3
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2answers
767 views

Sounds like there is stickiness on my tire, but there isn't!

I noticed starting yesterday my front tire has been making a strange sound. It sounds like there is a small piece of tar stuck to the front tire and it makes a faint noise of sticking and unsticking ...