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

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24
votes
12answers
108k views

What pressure should I run my Road Bike tyres at?

There's a question for mountain bike tyres but I can't seem to find anything on here for road bikes. At the moment I'm running at around 90psi. Is that too much? too little? Also, am I more likely to ...
24
votes
8answers
32k views

What pressure should I run my Mountain Bike tires at?

Should I run my mountain bike at the suggested PSI/Bar on the tire/rim? Or should I run it a bit lower? Or is it more about conditions? Should I run lower if I am running on softer terrain?
14
votes
5answers
10k views

Whatever happened to solid bike tubes?

As a child I had solid rubber inner tubes in my bike. They were a pain to get on but after I never had a flat again! Now I've recently started biking again and have had two flats in two days, each ...
37
votes
12answers
13k 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, ...
20
votes
9answers
74k views

How to get a very tight tire back on the rim?

I needed to change the tube as a consequence of a flat tire and I am in the situation that it's just impossible to put the tire back on the rim. In almost ten years of experience with road bikes and ...
29
votes
4answers
28k views

How do I know when to replace my tires?

The treads on my road bike's 28C tires are almost completely gone—they only persist along the shoulders of the tire. Do the treads matter? What is a good indicator of when the tire as a whole needs ...
14
votes
4answers
1k views

What is a good way to keep my tires from going flat easily?

Title says it all, how do I keep my bicycle tires from going flat easily? I live in an area with a lot of sharp stuff (think glass shards, nails, cactus, etc)...
6
votes
3answers
1k views

How are tire sizes measured?

I tried getting a good measurement with my caliper, but the flexibility of the tire doesn't help much. Let's say I have a 26"x2.125" tire. I know this fits on an ISO 559mm bead seat diameter rim, and ...
4
votes
3answers
19k 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, ...
7
votes
3answers
16k views

Mixing different front and rear tires

My used bike came with different front and rear tires. It appears to have some kind of Kenda commuter tire in the front, and Continental Country Ride in the rear. They are both the same size (700x28). ...
35
votes
5answers
7k views

Should I change both tires when I need to change one?

I know that it's a best practice in a car to change all 4 tires if you change 1, although in practice, it's only done if 3 need to be changed. Does the same thing hold true of a bike?
14
votes
6answers
3k views

Mountain Bike on Paved Roads

I'm an occasional biker. I bought a mountain bike (nothing fancy) with the idea that I might use it off-road or on mountain trails (of which there are many here in Calgary). However, since I've bought ...
6
votes
7answers
5k views

I keep getting flats

I have been getting flats every 20-30 miles for the last 2 months. This has caused serious inconvenience to me, as bicycle is my preferred mode of transport to work and class. Details of the ...
5
votes
4answers
285 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 ...
31
votes
8answers
53k views

Which way do I orient my bike tire's tread direction? and why?

I have a mountain bike tire that has stamped on the side something like: <----------front rear-------------> Which seems like a pretty clear indication that the tire should be oriented in one ...
25
votes
9answers
54k views

How often should I change road bike tyres?

My road bike has now done 500 miles, but unlike cars, I've no idea how often the tyres should be changed. It's used on normal road conditions. The brow of the tyre is now smooth. How do I know if my ...
11
votes
4answers
3k views

What is the recommended type of tire for riding on wet pavement?

I am commuting in rainy Seattle, and the rain has started. Right now I have Continental Gatorskin tires on my commuter, but yesterday I noticed I was braking to stop the wheels and skidding quite a ...
29
votes
8answers
11k 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 ...
10
votes
2answers
8k views

Can I get smaller tires without changing my rims?

I currently ride a hybrid that came with 700x32c tires. Can I swap out a narrower tire without changing the rims, or do rims only fit a specific size of tire? How small can I go before I have to buy ...
9
votes
6answers
6k views

What are the advantages of filling tires with Nitrogen instead of air?

I am completely new to riding bikes and know that are usually filled with air but nowadays some people fill them with Nitrogen instead. I don't know why they prefer to fill their tires with nitrogen ...
3
votes
3answers
517 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 ...
1
vote
1answer
5k 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?
18
votes
10answers
26k views

What are the benefits of 700c23 tires?

23s come on almost all new road bikes, and tire selection is much better for 23s than other tire sizes at most shops. The benefits of 25s and 28s are a better ride, more traction, and are more flat ...
17
votes
7answers
20k 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 ...
34
votes
7answers
10k 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 ...
11
votes
2answers
1k views

What's the best technique for removing a tyre from the rim?

This question talks about fitting a tyre back onto a rim, but I'd like to know how to get the tyre off in the first place. Especially if the tyre is very tight, or the dip in the middle of the rim ...
11
votes
7answers
100k 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 ...
10
votes
4answers
2k views

How to make studded tires

Has anyone ever made a set of studded tires? What did you use? I read about a method somewhere but I cannot recall where. I heard that you can: Drill/make a small hole through the tire Screw a ...
9
votes
4answers
6k 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 ...
3
votes
1answer
257 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
6answers
3k views

Fat or Skinny Tires for Winter Riding?

Fat or Skinny? I think the arguments are as follows: Fat: You can float on top of the snow and you don-t have to go through it. You have a larger contact patch with the ground. Skinny: Will ...
9
votes
1answer
17k 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, ...
3
votes
4answers
3k 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?
2
votes
4answers
236 views

What steps should I follow to patch a tube?

I was wondering if I'm missing something when I patch my wheel, because I patched it yesterday and it had low pressure today. This is what I did: Released the air Used 2 screwdrivers to remove the ...
12
votes
4answers
9k views

Should inner tube have excess length?

I've recently changed the default 700x35 tires and 35mm Schrader inner tube to 700x25 slicks with 25mm Presta inner tubes. However whilst fitting the new tire and inner tube, I noticed that the inner ...
8
votes
5answers
1k 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 ...
7
votes
3answers
382 views

Is this a puncture protection thing?

I got a vintage bike to commute with (I wanted a heavy one for the exercise) and I was hoping for a flat so I would have an excuse to spend money on a puncture resistant street tire to replace the ...
6
votes
2answers
1k views

Different tyre width (front and back)

Out of necessity, I had to put an 1.26" (32mm) rear tyre on my bike where the front tyre is only 1.1" (28mm) wide (and the bike came with 1.1" tyres when I bought it). Are there any advantages or ...
5
votes
2answers
474 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 ...
2
votes
1answer
521 views

What size of slick tire should I buy?

I purchased a mountain bike and I ride on the road most of the time and I was looking at slicks for my bike. My tire size that I have now is 26x2.00 and the rims. I have on are AT-550 26inch what size ...
1
vote
2answers
920 views

Good tires for road riding in winter weather?

What are some good tires to install for riding the roads in snow, ice, other winter conditions? Besides letting some pressure out for better traction, what tires should I use?
0
votes
2answers
801 views

Kenda cyclo cross 27 x 1 3/8 fit on 27 x 1 1/4 rim?

Will the kenda K161 cyclocross tires (27x1 3/8s) fit on a 27x1 1/4 rim? I havent been successful at finding this question on here or on google, apologies if it has been asked a million times. ...
40
votes
15answers
30k views

What are advantages and disadvantages of CO2 inflators over frame pumps?

I have a frame pump that I've used on the road when replacing flats, but I always see CO2 inflators advertised at bike shops. Are they worthwhile for the potential weight savings?
33
votes
12answers
10k views

What are the disadvantages of “puncture proof” (or puncture resistant) tires?

Some people refer to tires that are more resistant to punctures as "puncture proof" tires. For example: Specialized All Condition Armadillo Tyre Even though these tires are not really puncture proof, ...
20
votes
7answers
46k views

How can I check tire pressure without a pressure gauge?

I would like to tell if my tires are correctly inflated, in this case road tires, but I do not have a pressure gauge. Is there a handy heuristic for checking the pressure? Could I do it, for example, ...
5
votes
3answers
36k views

Can I put 700c tires on rims made for 27 x 1.25"?

It's getting hard to find any selection for my old Avanti 12 speed. it currently uses 27 x 1.25 inch tires. Can I put 700c tires without needing to buy new rims?
22
votes
7answers
24k 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 ...
14
votes
2answers
892 views

Should spoke tension be measured before or after adding a tube and tire?

I built my first set of wheels and measured the spoke tension when I finished. They were all uniformly tense at about 100kg of force. Once I put the tire on, that measurement went down a little, to ...
11
votes
3answers
3k views

Is it safe to ride on an unevenly bulging tyre?

Most of the tyre looks fine, true and straight but the section photographed shows bulging. The rim itself is true, is this safe to ride on?
8
votes
4answers
2k views

Why does my back tyre wear so much more quickly than the front?

Identical tyres, identical rims, minimal braking on the back wheel, no skids, properly inflated at least once a fortnight to manufacturer's recommended pressure. Why does the back one wear out more ...