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Questions tagged [puncture]

Also called "flat". Ways to avoid punctures, deal with punctures, etc.

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57 votes
13 answers
39k 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 ...
Jared Harley's user avatar
  • 2,141
47 votes
12 answers
40k 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, ...
b.roth's user avatar
  • 1,817
35 votes
6 answers
10k views

Why do bike tires suffer from frequent punctures whereas car tires don't?

I have driven in my life 200 000 km by car and 20 000 km by bike. In my car, I have never had a single puncture. In my bike, my puncture count probably exceeds 5. Why do bicycle tires suffer from ...
juhist's user avatar
  • 19k
32 votes
10 answers
38k views

Do glueless tube patches work as well as glue ones?

Quite a few years ago I tried some glueless patches for repairing my punctured tubes while out on the road, and found that they rarely stayed on for very long. I know that technology has advanced a ...
Anthony K's user avatar
  • 6,233
32 votes
8 answers
12k views

Broken glass on the bicycle path, what to do?

Often I find myself driving with my racing bike on the dedicated bicycle lane in my city. The problem with these bicycle lanes is that there is a lot of broken glass (once every few kilometers). ...
Bernhard's user avatar
  • 621
28 votes
8 answers
124k 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 ...
TheOne's user avatar
  • 381
27 votes
9 answers
107k 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 ...
LoganGoesPlaces's user avatar
27 votes
7 answers
64k 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 ...
Piers Myers's user avatar
25 votes
3 answers
30k views

What's the rubber tube in my puncture repair kit for?

I've got an old school puncture repair kit, the type with glue and patches. As well as the sandpaper, patches, 'vulcanizing fluid' and instructions, there is a 2.5cm long, 3mm wide, beige rubber tube....
Jonny Cundall's user avatar
24 votes
7 answers
8k views

Which kind of tube valve is the best?

What kind of valve is the best one, a Presta valve (6mm) or a Schrader valve (8mm). Which has the best reliability, which one is easiest to fix a flat on?
Johan Dahlin's user avatar
  • 2,908
22 votes
11 answers
9k views

How to find punctures in inner tubes?

When I have a flat tire, I find punctures in inner tubes using three techniques, all starting with the inner tube outside the bike: Hearing where the sound of air escaping originates. Feeling the ...
Santropedro's user avatar
21 votes
5 answers
2k views

What is the maximum number of pucture repairs an inner tube can take?

Any thoughts - my spare tube that I carry in my bag currently has a dozen or so patches on it, but still works fine. I'm tempted to keep going to see how many I can get on there until it get ...
Matt's user avatar
  • 337
21 votes
7 answers
15k views

How do I use the plastic backing on patches?

It seems that the patches I buy for fixing inner tubes come in one of 2 types. Both have metal foil on the stick-to-tube side. One has paper on the other side, the other plastic. With the paper ones ...
Duncan McGregor's user avatar
21 votes
6 answers
2k views

How do I fix a puncture?

I got a flat/puncture on my bike tube, how can I fix it myself without going to the nearest bike shop? What kind of equipment would I need?
Johan Dahlin's user avatar
  • 2,908
20 votes
7 answers
4k 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)...
studiohack's user avatar
20 votes
10 answers
10k views

Why using a puncture repair kit instead of a new inner tube?

I am a casual rider (~30 km commute as often as possible) in an urban setting. Reading this SE site to learn about biking (the resource is extraordinary, even though I don't understand every ...
WoJ's user avatar
  • 1,113
18 votes
8 answers
6k views

Is there a recycling program that accepts unrepairable inner tubes?

The local bike shop, not the wealthiest operation, has a pile of dead inner tubes growing on the floor. I'd love to discover something where used inner tubes are repurposed, melted down, made into ...
parisminton's user avatar
17 votes
8 answers
11k views

Mystery flat keeps happening 3-5 times a week. Do I weigh too much for my tires?

This is a little embarrassing, so I hope no one makes fun of me... But I am a big girl. I always have been. Very big frame, big shoulders, big head, hands and feet. My whole life I've been healthy and ...
rogue's user avatar
  • 275
16 votes
5 answers
8k views

Technique for self-adhesive puncture repair patches

Is there any special technique for using self-adhesive puncture repair patches? Today, I've had two different tubes fail within a minute of being inflated because the air pressure had split through ...
David Richerby's user avatar
15 votes
11 answers
28k views

Why does the glue in a puncture repair kit dry up so quickly?

With puncture repair kits, generally you get like 6-8 patches and a tube of glue. The only problem is I can really only use the glue for the first patch because once it opens, it just ends up drying ...
Diskdrive's user avatar
  • 619
15 votes
8 answers
7k views

Fixing a flat - how to find the piercing object?

Just had a flat and having problems finding the thing that pierced the tube in the tire. Normally I just run my fingers around in it, until I found it, but this time everything looks O.K. My ...
Paul Weber's user avatar
  • 1,269
15 votes
8 answers
7k 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 ...
unmultimedio's user avatar
15 votes
6 answers
13k views

Why do I always get punctures in my rear wheel?

I get probably five times as many punctures in my rear wheel as opposed to my front wheel. I run a good pressure and don't get obvious pinch flats. Does anyone have a logical reason why this could ...
DWGKNZ's user avatar
  • 8,857
15 votes
3 answers
2k views

What kind of flat is this?

I'm stumped. For the last yew years I have been getting flats that look like this: As you can see, it's a tiny, tiny hole that can only be found by inflating the tire to twice its size or so. I know ...
JKnight's user avatar
  • 253
15 votes
3 answers
20k views

Is it normal for a presta valve to unscrew into two pieces?

I have a Continental Road inner tube with a threaded presta valve. I also have a threaded bike pump which I screw onto the valve to inflate the tube. When I try to unscrew the pump, the uppermost ...
David Tuite's user avatar
15 votes
2 answers
7k 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 ...
Móż's user avatar
  • 23.6k
14 votes
7 answers
36k views

If I can't find the hole causing a flat tire, do I need to replace the tube?

My back tire got flat. If I pump it up now, it can hold the air for about 30 minutes to an hour before it's totally flat. I took out the inner-tube yesterday, pump in a bit air and put it into water, ...
chepukha's user avatar
  • 347
14 votes
9 answers
54k views

How To Prevent Holes Around The Inner-tube Valve?

In the last two months I have experienced something new: three inner-tubes (700X25) have popped with holes immediately around the valve and on the same side of the tube as the valve. I suspect there ...
Dale's user avatar
  • 549
14 votes
7 answers
3k views

Are solid/tubeless tires worth using in Thorny areas?

I picked up riding over the summer as a way to save on gas and get into shape. The trouble is that I live in a somewhat rural area with woefully maintained roads/sidewalks and everywhere is lousy with ...
thegreatmoof's user avatar
14 votes
5 answers
23k views

Are there other explanations for slow tyre pressure loss?

I rode my road bike on Friday and the tyres were at the correct pressure then, around 100psi. On Tuesday, I jumped on without checking them and quickly realised something was wrong with the rear tyre....
Luke Halliwell's user avatar
14 votes
4 answers
52k views

How do you fix a puncture on tubeless tires?

I recently got a new bike with a set of tubeless compatible rims. The stock tires are clinchers with tubes. I'm thinking about putting tubeless on there, but I don't have any experience with them. We ...
jimchristie's user avatar
  • 11.8k
13 votes
4 answers
9k views

How can I repair a tyre with a deep cut?

I have some foldable racing tyres, still with plenty of tread but with some small cuts through the tread & cloth. Can I do anything to them or are they destined for the bin?
Anthony K's user avatar
  • 6,233
12 votes
11 answers
18k 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" ...
ChrisW's user avatar
  • 12.1k
12 votes
4 answers
23k views

Tube sealant vs. tire liners vs. puncture-resistant tires -- which best prevents flats?

Clarification: I am not asking for a solution to punctures, or about the nuances of ride quality with the various solutions. I am asking whether one method of reducing punctures has been proven ...
digijim's user avatar
  • 685
12 votes
1 answer
11k views

Benefits of latex tubes... Are they worth it?

Is using latex inner tubes worth it? My use of it would be on a racing bike, for training and racing purposes, only on road, mostly in good condition (but in an urban environment so there are some ...
ptpdlc's user avatar
  • 1,942
11 votes
7 answers
10k views

Repeat Punctures

I was cycling home today and I got a puncture a few minutes in where the air slowly drained rather than instant rim to concrete! Fitted a new tube and 10 minutes further down, exact same issue. ...
Tanner's user avatar
  • 213
11 votes
5 answers
3k 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 I'...
Goodbye Stack Exchange's user avatar
11 votes
2 answers
2k views

Minimize puncture risk during race. Should I change the tyres?

I used these tyres for one year/ about 5000 km. They look fine/ok (not very worn), BUT, I got a first puncture two weeks ago. While looking at the tyre I noticed it has some cracks here and there, as ...
myradio's user avatar
  • 542
11 votes
3 answers
3k views

Do I need to refill sealant after puncture?

I got my first set of brand new tubeless wheels (Mavic Aksium Elite UST) and next day I had a somewhat large (it looks more than 4 mm) puncture. The sealant did its job, but my teammates described it ...
Samo's user avatar
  • 213
10 votes
5 answers
15k views

Relationship between punctures and tube pressure

What could be the relation between a bicycle's inner tube getting punctured and the pressure of the tube. Are they directly proportional? I.e, if the pressure of Bicycle tube is higher then it has ...
Dinesh P.R.'s user avatar
10 votes
5 answers
2k 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 ...
Bernard Tyers's user avatar
10 votes
5 answers
28k views

Is there anything I can do to prevent snakebites (pinch flats)?

Riding in an urban setting, I've lost two tubes in the last week to snakebites, and it's easily the most common way for me to get a flat. I've got Gatorskin treads, which help prevent standard ...
User1000547's user avatar
10 votes
3 answers
780 views

Are bikes more prone to punctures after a spell of rainfall/flooding?

We've had an unusually wet winter and flooding has been a problem in my area. Now that the weather has improved and cycling is possible/pleasurable again I'm finding I'm getting many more punctures ...
hawbsl's user avatar
  • 749
10 votes
3 answers
7k views

Can you use slime (brand) auto tire "tubeless" sealant for a bicycle tube?

I'm used to using slime in my tubed tires, the bicycle sealant kind with the "red trim": but I noticed some "prevent and repair flat tires tire sealant, all tubeless tires" blue trim tire sealant, ...
rogerdpack's user avatar
10 votes
1 answer
9k views

How do self-sealing inner tubes work?

How do self-sealing inner tubes work? I understand it protects against objects up to a certain length, but do I need to still remove the offending object eventually? Or do I need to leave it in? Are ...
Nobilis's user avatar
  • 407
10 votes
2 answers
2k views

Can Latex inner tubes be patched?

I've personally never ridden on Latex inner tubes. If I get a puncture on a latex tube I'd prefer to be able to fix it, given they're a lot more expensive than regular butyl tubes. My research ...
Criggie's user avatar
  • 125k
10 votes
1 answer
782 views

Cut off tubeless plug head?

I use tubeless tires ranging from 30 to 40mm in width. When I puncture and the sealant doesn't cut it, I plug the hole with a Dynaplug. On longer rides, I carry a spare tube (or two) just in case. It ...
Paul Langeslag's user avatar
9 votes
4 answers
2k views

Unable to get a tube replacement to last

I am running into a consistent issue, my last two tubes replacement for the back tyre of my cycle got punctured same way at the neck of the tube. I am beginning to think if there is something ...
padma's user avatar
  • 163
9 votes
8 answers
4k views

Can you buy tyres to resist punctures from large thorns?

I keep getting punctures from these thorns: They are all over the roads round here when the hedges at the side of the road get trimmed. They regularly go straight through my Schwalbe Land Cruiser ...
Tony Christie's user avatar
9 votes
5 answers
4k views

Recurring flats on new bike

I have had four flat tyres in less than two months. Some more information: I've only experienced repeated flats since I started using racing bikes (two months ago). I'm 194cm tall and weigh 74kg. I ...
Hello World's user avatar

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