Questions tagged [tire]

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

53
votes
13answers
27k 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, thinner ...
51
votes
14answers
59k 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?
50
votes
2answers
15k views

What are the effects of completely filling tires with water instead of air?

As absurd as it sounds, I was curious as to how a bike would handle with the front tire filled with water. I wonder if steep hill climbs would be easier (particularly for a mountain bike): 1) to ...
49
votes
10answers
192k 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 ...
47
votes
8answers
25k 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 another ...
47
votes
8answers
36k 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 ...
46
votes
9answers
121k 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 ...
42
votes
12answers
29k 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, ...
41
votes
4answers
52k 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 ...
39
votes
5answers
16k 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?
39
votes
5answers
11k views

Why do e-bikes need dedicated tires?

While shopping for new tires on my bike, I saw that some dealers had a specific section for e-bike tires, where the various brands production for e-bikes was present. Why do e-bikes need dedicated ...
37
votes
13answers
167k 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 ...
36
votes
11answers
111k 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 ...
35
votes
2answers
75k views

What is the difference between folding bead and wire bead tires?

I'm shopping online for some new tires, and see that some models are sorted by folding and wire beads? What exactly does this mean, and do I need a special rim to support them?
34
votes
13answers
38k views

Is it safe to ride a racing road bike in very wet weather?

I'm used to riding on a MTB, but since I've got a new road bike, I'm quite paranoid about the slick tyres. How good are they in wet weather? I'm scared of braking too hard, or even just turning!!
33
votes
1answer
95k 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, ...
28
votes
7answers
115k 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, ...
27
votes
5answers
2k views

Why are tubeless tyres popular in mountain biking?

I've noticed that a lot of people use or promote tubeless tyres for mountain biking. Why is this? It seems a lot of hassle to get a special rim conversion kit and goop to put in the tyre. As far as I ...
26
votes
8answers
95k 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?
26
votes
3answers
39k views

What purpose do the rubber 'hairs' have on new tyres?

Up close you can see at least three 'hairs' of rubber from this picture from the side of my tyre: Why do they exist? I've heard they are just a bi-product of the manufacturing process.
26
votes
4answers
14k 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 ...
25
votes
6answers
26k views

Is rubber cement in stationery stores the same as in tire patch kits?

Is the rubber cement that you can buy at the stationery shop: the same as what's in the little tubes of cement that come with your patch kit: If not, then exactly what is different? What makes tire ...
25
votes
6answers
12k views

Least worn tyre: front or back?

Where should I put the least worn tyre? on the front or the back? This is for XC MTB.
25
votes
6answers
145k views

What are the differences between “clincher” and “tubular” tires?

What are the differences between "clincher" and "tubular" tires? I'm just a casual road cyclist at this point and don't put any more than 200 miles in over the course of the week. I'm looking to ...
24
votes
7answers
57k 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 ...
24
votes
7answers
36k 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 ...
23
votes
7answers
86k 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 ...
21
votes
5answers
23k 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 ...
21
votes
1answer
5k views

Why would a tire be for trainer use *only*?

Yesterday I installed a Continental Hometrainer Tire on the rear of my CX bike (which had been purchased mostly for trainer use and which came with knobby tires unsuited for that purpose). To my ...
21
votes
5answers
162k views

Can I use a gas station pump on a bike tire?

Someone pointed out that it may be risky, and it might not have the right kind of nozzle, but I don't have a bike pump at the moment. Does anyone else ever do this?
21
votes
10answers
39k 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 ...
21
votes
5answers
2k 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 ...
19
votes
6answers
2k 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)...
19
votes
6answers
64k views

Larger tires on a road bike

I am curious if anyone has put larger tires (mountainish) on their road bike. I am thinking about doing this to do some riding on gravel roads/touring/commuting from rural areas. I have an older ...
19
votes
2answers
82k views

how to choose inner tubes

I've always bought 700x28/38 Specialized inner tubes for my bike, because that was what I was told fitted. But what do those numbers mean? How do I know that a specific inner tube will fit my bike?
19
votes
1answer
62k 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: 40-...
18
votes
11answers
86k views

How much of a difference will I notice going from a Mountain bike to a road bike?

I have a Mountain bike with 1.95 tyres on it. Most of the cycle path I take into work is fairly well paved/asphalted, I'm not going over any dirt tracks or anything like that although there is the odd ...
18
votes
4answers
35k 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 ...
17
votes
10answers
25k views

How do I make a mountain bike go faster (commuting)

I just began biking around 4 months ago, and due to lack of experience I bought a Diadora Orbita Mountain Bike. I've staring commuting to work recently (about 14 km daily) but I'm not exactly happy ...
17
votes
4answers
2k views

Is disk brake effectiveness mitigated by tyres losing traction under strong braking?

So I understand that disk brakes are superior to rim brakes and this leads to faster stopping particularly in wet weather. I have wondered though, in wet conditions when you wish to stop as fast as ...
17
votes
4answers
7k views

Do Kevlar Belts really offer puncture protection?

My local bicycle shop is offering "premium kevlar belt tyres" and are "extremely puncture proof" how much of this is true? Does this "kevlar belt" offer good puncture protection? What does this ...
16
votes
5answers
10k views

Are 22mm tires too thin for commuting?

I recently switched from a mountain bike to a road bike with 22mm tires for commuting. I noticed right away that I could not do the things like hop over curbs with this new bike. I also got flats. ...
16
votes
7answers
6k 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 ...
16
votes
5answers
26k views

Should I put my wider tire in front or in back?

My used bike came with a 700x28 tire in front and a 700x23 tire in back. Should I leave the wider tire in front, or should I switch the tires? What benefits or drawbacks are there one way or the other?...
16
votes
5answers
106k 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?
15
votes
7answers
3k views

How to patch glass cuts in a bicycle tire?

How do you deal with the small cuts in a bicycle tires main tread? Do folks fill these small cuts? I have continental gatorskins which I periodically check and pull out the street glass shards. ...
15
votes
3answers
5k views

How to deflate a tire properly?

I need to flatten my bicycle tire. What is the safest and best way to do this? What I mean by safest is: I want to reinflate it again afterward.
15
votes
8answers
6k views

How to stop dealing with flat tires?

I have a very nice fixie bike, which I keep suffering from flat tires. I live in Bogota which is a city full of potholes in the road. I have been examining options to implement in order to have less ...
15
votes
12answers
10k views

Any alternative use for old mountain bike tyres and inner tube?

I have recently changed the original tyres and inner tube of my 15 year old Specialized Rockhopper. They were starting to deteriorate and I got punctures almost every time I took it on gravel paths. ...
15
votes
5answers
8k views

Do road tubeless tyres lose air faster?

I just replaced my rear wheel with a road tubeless (Bontrager RL TLR). Was lucky to have the bike shop installed the tyre, took two blokes to put it on the rim. Anyway, my second ride was a couple of ...