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

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7
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2answers
283 views

Do I need to patch my tubed-tire if I have a puncture?

I have about a 2 mm gash around the outside of my tire from a piece of brown glass. It gave me a slow leak and while I've patched the tube, do I need to do anything about the tire itself?
2
votes
1answer
165 views

Sudden tyre deflation with no puncture

At the start of my ride yesterday I was passing through town slowly and crossed a section of cobble stones (just a line running across the tarmac). I managed to hit the one cobble sticking out of the ...
3
votes
4answers
311 views

“Quick Fix” Tyre Repair Spray Cans

I saw this in my local supermarket, as they are having a cycling event on at the moment. I was thinking this would be quite useful if I had a puncture away from home, the car or bike repair shop, or ...
5
votes
3answers
145 views

Is it worth it to buy a bike that comes with puncture resistant tires, or add them later?

Is it better to buy a bike that comes with puncture resistant tires, or get a cheaper bike that comes with worse tires and then get them replaced?
24
votes
8answers
2k 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). ...
1
vote
1answer
137 views

spoke end poking out of rim, thinking it may be reason why Im getting flats

When I run my hand on the inside of the rim, I can feel a protrusion of the spoke end going into the rim. Is that normal? I have been getting about 5 or 6 flats, and they sometimes occur on the same ...
2
votes
4answers
153 views

Is a bigger wheel likely to get fewer flats?

Someone suggested recently that rather than using a fatter tyre in my search for fewer flats, I could use bigger wheels. Specifically, that switching from 700c to 27" (622 to 630) would make a ...
10
votes
3answers
1k 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 ...
2
votes
2answers
72 views

Should I check puncture-resistant tires for glass etc.?

I'm running 700x35 Marathon tires with their Greenguard puncture-resistance layer (not as thick as the Marathon Plus's, but it's there). Should I check the outside of the tires for bits of glass or ...
1
vote
2answers
183 views

What is a cheap puncture-proof tire against tackweed?

Lately, each time I ride my bike around the Bay Area, I get tackweed onto my wheels where upon one or both of them flatten overnight. Most of those are five minute rides to my local library. So, I ...
8
votes
3answers
130 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 ...
2
votes
3answers
132 views

Why would each patch produce a new leak before resintalling tube?

I got a puncture in my tube (size 700c x 23c, Kendra, came with bike) and applied a vulcanizing glue and patch, then checked it. Before reinstalling the tube, there was now a new leak right next to ...
1
vote
4answers
972 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?
0
votes
1answer
58 views

What size Mr. Tuffy Liner should I buy for my 24“x1.95” bike tires?

Mr. Tuffy size chart is here: http://www.mrtuffy.com/sizes.html My tire size is 24"x1.95". If I go by tire diameter, I should go with Mr. Tuffy's Blue liner which fits 24"x1.375". If I go by tire ...
7
votes
3answers
267 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 ...
2
votes
2answers
213 views

What could have caused this flat?

Today I encountered a puncture. I pulled the tube, ran my fingers around the inside and outside of the tire carefully looking for the offending object, found nothing, so concluded it was probably a ...
9
votes
1answer
423 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 ...
9
votes
7answers
457 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. ...
2
votes
3answers
748 views

Best way to patch road bike tubes

I've scoured the internet for this answer, as I recently just tried to repair a tube on my Purefix fixed-gear bike which I assume uses tires and tubes similar to road bikes, as the tire size is ...
7
votes
2answers
4k 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 ...
1
vote
1answer
86 views

mountain bike switching tyres I get a puncture, why, am i doing something wrong?

I have a mountain bike with 2 sets of tyres, a road set and off road set, when I switch between them about 1 in 3 times I seem to get a puncture, and I can't see why? I've gone though 4 innertubes ...
11
votes
2answers
539 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 ...
4
votes
2answers
158 views

Pinch flats: hardtail vs full suspension. Differences?

I ride a hardtail, and I wonder if a full suspension prevents pinch flats in the rear wheel. I don't get pinch flats; but I want to know what to expect from a hardtail vs full suspension. I'm a heavy ...
4
votes
4answers
367 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, ...
3
votes
3answers
169 views

What are these diagonal marks on my innertube?

I'm on my second inner-tube in as many weeks and the culprit seems to be the same between them; these diagonal marks on the side around the whole of it—but only on one side (sorry, didn't make a ...
5
votes
2answers
171 views

Does riding on the sidewalk make it more likely to get a flat tire?

I just started bike commuting, and the two times I've gotten flats were when I was biking on the sidewalk, and in both cases they seemed pretty random. I use a mountain bike. Is it just a coincidence ...
8
votes
5answers
546 views

Fix / clean or throw away tire with 30+ thorn punctures?

I recently rode through a horrible thorn patch. I came out with 2 flat tires. Upon examination, I found that the tube was punctured in 10+ places. Throw away. The tire has 30+ small thorns in it. ...
0
votes
1answer
112 views

Road bike getting punctured often on poor roads [duplicate]

I brought my road bike to Mumbai where the roads are pretty bad (lots of potholes, gravel...), I've been getting a puncture roughly every 2 weeks. The tires are about 6 months old. They are a bit worn ...
0
votes
7answers
1k views

Are there road bike tires invulnerable to popping?

I am a mountain biker now living in Minneapolis and so I bought a road bike, but I can't keep tires on it to save my life. I 'upgraded' to Continental Attack/Force tires, got a glass shard in the ...
4
votes
3answers
159 views

Can small pebble inside tire puncture the tube?

Shortly after changing a flat in a dirt road near home, I got another one. This last tube got a very small puncture. Inside the tire I also found some small pebble (like 1mm or less in length), but no ...
4
votes
1answer
528 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 ...
3
votes
1answer
98 views

Rim cement as a replacement for rubber cement

Can I use aluminium rim cement for patching flat tire instead of using rubber cement?
6
votes
5answers
4k 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 ...
1
vote
2answers
144 views

Continental 4Seasons vs 4000S

I am currently riding Conti GP4000S tyres, in 700x23mm version, inflated at 115 psi. The grip is great, the (light)weight is amazing. I have punctured twice with them (in 1500 km) which is more that ...
8
votes
3answers
509 views

What is the purpose of the rubber stripe between the wheel and the air chamber?

I had a flat tire and replaced the air chamber. While doing that the rubber stripe that stands between the wheel and the air chamber ripped and it's no longer a ring. It´s hard to put it correctly and ...
13
votes
5answers
2k 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 ...
0
votes
1answer
208 views

Puncture resistant 18" tires?

I need to replace the 18" cheap Schwalbe iMPAC Streetpac 47-355 tires that came with my Birdy folding bike with puncture resistante tires. I almost never ride on country roads, so thinner tires are ...
2
votes
4answers
2k views

Cheap alternatives to avoid tire punctures

If you head to Walmart and see the slime bike liners for in the tire to stop goatheads and small nailes from actually running the tire. Is there anything around the house or shed that can be used ...
4
votes
3answers
2k views

how to repair large holes in inner tubes

I find that any hole, cut or tear larger than a pinprick is impossible to repair with normal patches because they are too soft. Even a 2-3mm slit will cause the repair patch to balloon out and burst ...
2
votes
1answer
158 views

Patched inner tube helped by pressure against tire?

When I patch a tube, does it need to be in a tire to "remain fixed"? I mean: I understand an empty fixed tube will remain fixed if I keep it folded in a box... But how about with air inside? does ...
2
votes
3answers
147 views

“wound” on the tire side

The other day I was stopped at a traffic light when I felt my bike moving slowly forward. Did not pay really attention, thought there was a slight slope, so hit the brake and voila. But it did not ...
2
votes
4answers
4k views

Which MTB Inner Tubes

I have tried a few brands of inner tubes for off road riding, mainly slime and dr. sludge but recently I have suffered more punctures than I'd care for despite the 'green goo'. My question is what ...
2
votes
4answers
203 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 ...
7
votes
2answers
798 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 ...
2
votes
4answers
4k views

Tube constantly getting punctured near the valve

I have been using my bike for a few years now, and for the last month i am constantly getting this problem. After riding a day or two, it looks like my tube gets rotated a little inside the tire, and ...
7
votes
4answers
2k 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, ...
1
vote
7answers
308 views

avoiding punctures in 22mm tires

I used to get a lot of punctures on my 22mm tires riding to work every day in boston. All of the punctures were from small pieces glass. After a few weeks of almost weekly flats i got tuffy tire ...
10
votes
7answers
14k 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 ...
7
votes
1answer
1k views

Do narrow tires puncture more frequently?

Does a narrow bicycle tire puncture more often, or does it requires more attention regarding its maintenance and servicing?
3
votes
3answers
2k views

Best practice for patching snakebite pinch flats on skinny tubes

So, I tend to run 700x23c or 700x25c tires on my commuter bike. Sometimes I'm lazy and forget to check the air pressure and inevitably get a pinch flat when I hit some stationary object, pothole, or ...