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

learn more… | top users | synonyms (1)

5
votes
1answer
301 views

Will tubeless tires out-perform my Armadillos on my commute?

I have a Trek commuter bike (8.4 DS). I bike 5.5 miles to work, and up to 15+ miles home. I’m considering the switch to tubeless. Most of my commute (all but 1.5 miles) is on a well-maintained ...
2
votes
2answers
101 views

A pin punctured my tyre. Should I only replace the inner tube, or patch the outer, rubber tyre?

Today I managed to run over a flat heat board pin, and my tyre got punctured. I will change my inner tube tomorrow, because it's not that expensive and I find it easier than patching it up. My ...
3
votes
1answer
152 views

New puncture resistant tires punctured after 2 min ride

So, because I do ultra-light touring I bought new puncture resistant tires for my road bike (Continental Grand Prix 4-Season, 28c), I installed them and after two minutes I had a puncture. First I ...
1
vote
3answers
162 views

When does a Marathon Plus tire (not) need replacing?

I have Marathon Plus tires: 5 years old 15000 km bike stored indoors I'm getting more punctures than I used to, but maybe that's caused by my riding now on worse road surfaces than I used to. The ...
3
votes
2answers
120 views

What tools should I carry around to replace the tube on a bike with bolt-on wheels while on the road?

I'm considering getting a fixed-gear bike for commuting, and I'm unclear on how one can quickly replace a punctured tube on a bike with bolt-on wheels. So far, all the bikes I've had (at least, since ...
3
votes
0answers
92 views

what causes a sidewall puncture on a tubeless tyre?

I have a puncture, on the side of my tyre. The tyre was inflated to about 120 psi, and in any case I thought tubeless tyres were immune to snake bites. What's likely to be the problem?
0
votes
0answers
41 views

Punctures on outer part on inner tube at valve on both front and rear tyres after 75miles . Signs of abrasion at puncture site.

Just recently changed the wheels on my BMC team machine Slr02 for Campy Zondas also increased the tyre width to 25mm from 23 mm using Michelin Pro 4 endurance . I used Continental inner tubes at ...
5
votes
7answers
322 views

Why do I keep getting flats?

I only bike for pleasure and sometimes to get around. I know very little about bikes. A few months ago I got a B'Twin mountain bike. Where I live now I do not feel safe biking in the city so I only ...
0
votes
1answer
78 views

Flat tires every morning [duplicate]

I just bought a new bike. I ride about 3 times a week. The last 2 times I've taken my bike out the front tire has been completely flat. I put air in it the first time it happened and went for a 10mi ...
4
votes
2answers
212 views

Tyres self-deflating after being in storage

I recently took an old Brompton bicycle out of storage after several years. The tyres were deflated (unsurprisingly) so I pumped up the inner tube to check for punctures. I couldn't find any obvious ...
2
votes
2answers
92 views

tube punctures near valve

my road bike got a puncture in the front wheel yesterday while I was riding down a big slope, it happened when I was braking the bike then I heard a pop. I stopped and replaced with a new tube, ...
0
votes
1answer
92 views

Tyre loosing air pressure despite having no puncture [duplicate]

The front tyre on my bike looses air pressure despite there being no punctures. There is no leak via the Schrader valve either. If I fill up the tyre, it looses a considerable amount of pressure by ...
0
votes
2answers
132 views

Tire pressure decrease when the bike is idle [duplicate]

I ride a Btwin MyBike 7s. Yesterday morning I noticed (for the first time since purchase) that in my rear tire, the tire pressure has decreased to a flat. I thought it was a puncture, so I refilled ...
4
votes
4answers
2k views

Bicycle's inner-tube got puncture right next to the valve, How to patch it there?

There is a very small cut 1-2 millimeter or less long in the inner-tube, right next to where it's the bottom of the Schrader valve. The cut is only 1-2 millimeters far away from the valve's bottom. ...
0
votes
1answer
134 views

flat tyre even after replacing the tube? [duplicate]

So I bought a used Specialized Sirrus 2011 model as my first bike (so I'm new here) recently and I love riding it, light weight, smooth handling and comfy to ride. Rear wheel was flat when I bought it ...
4
votes
3answers
693 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 ...
3
votes
2answers
382 views

Repair cut in sidewall of tubeless tyre

On my latest ride I managed to put a cut in the sidewall of my front tyre (Specialized S-Works Purgatory 26x2.2"). The sealant (Stan's No Tubes) didn't manage to seal the cut, presumably because the ...
3
votes
4answers
126 views

Unpatchable hole on rim side

Well, I am new to road biking and I got my first flat yesterday. I was going to go for a ride and the front tire was completely flat, so I popped it off and went to patch it. I found the hole, it was ...
3
votes
6answers
447 views

I cannot go 30 miles without a flat. I can't figure out what the problem is

I have Mavix CXP-12 wheels (20mm). I have relatively new Freedom ThickSlick 23mm Tires on the wheels. I've been using these inner tubes: Meetlocks® 700x18-23c. I weigh 165 lb. I just keep getting ...
1
vote
1answer
43 views

Tube adhering to tire

I was fixing a flat this morning and discovered that the tube was adhering to the tire casing. The tube pulled free from the tire, with about as much force as it would take to pull off well adhered (...
5
votes
2answers
206 views

What is mysteriously slicing the inside of my tubes?

For about the last year, I've had a problem keeping my bike on the road. Originally, my rear tube went flat when the tire was punctured by an office staple (don't ask me how a regular office staple ...
7
votes
8answers
682 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 lol ... 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 ...
11
votes
8answers
3k 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 ...
2
votes
3answers
230 views

Does this rim tape need to be replaced?

I replaced my very first tube ever after my tire went flat yesterday. I successfully installing a new tube, inflated it, and left it overnight. This evening the tire was still fully inflated, but ...
3
votes
1answer
71 views

Third tube puncture in 3 weeks

I have the 3-rd puncture of the rear wheel tube during 3 weeks. All of them have the same pattern: 1 small breach about 0.5mm long. I added the photographs of the last one. Bubble inside the water ...
2
votes
2answers
2k 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 ...
4
votes
2answers
160 views

Tire Continually going flat

I have a Specialized Crosstour that is about 10 years old. I rode it occasionally and never had a flat. Then it hung in my garage for a couple of years. When I took it down, the tires were flat and ...
1
vote
1answer
234 views

Flat tire keeps occurring while bike is stationary. MYSTERY

I keep changing my tube. It get's a hole right near the base of the valve. I've checked the rim, there's nothing sharp. there's nothing sharp in the tire (the hole's on the inside anyhow). and it ...
6
votes
1answer
684 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 ...
1
vote
5answers
156 views

What's causing this puncture?

This puncture is on the inside face of the tube. One day I got a big piece of glass in my tire. I patched it up and then I got a puncture on the inside face of the tube. I patched that and then I got ...
0
votes
1answer
353 views

Spoke puncturing my tube, can I cut it?

I recently bought a second hand city bike. After a 2 weeks I got a flat tire. On closer inspection it looks like this is due to the spoke. The rim tape is fine though. It seems that this particular ...
2
votes
6answers
2k views

Is it possible to remove wheel without loosening the (V) brakes

I have a mountain bike with V-brakes and every time I get a puncture and need to remove the wheel to replace the inner tube, I have to use a hex/Allen key to loosen the brakes, otherwise I can't pull ...
3
votes
2answers
376 views

Tube puncture over spoke, but rim tape fine

I have a puncture in my tube on a bump in the tube that coincides with a dip in the spoke hole, and am not sure if I need to replace the rim tape or not. I have seen numerous posts about spoke ...
5
votes
4answers
592 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 ...
1
vote
2answers
352 views

Is it possible to get a slow leak straight after installing new tires?

So I decided to replace my bike tires to Gatorskins to prevent punctures. Anyway, so I installed them and they seemed to be okay. I had checked it a day or two afterwards and it was okay. But this ...
2
votes
1answer
438 views

How much can a 700x23 inner tube stretch?

I recycled my dad's road bike (about 20 years left in storage) so I bought a complete set of new wheels. "Good" hubs and rims, not quality brand though but I've been told they're good and that's what ...
4
votes
5answers
1k 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. ...
2
votes
3answers
1k views

Fat Tyre Punctures

I ride a Fat Bike which is fitted with 26x4.6" tyres. I am worried about puncturing on trails in the South African bush. What can be done to mitigate this risk of puncture as tire liners and ...
4
votes
5answers
841 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 ...
2
votes
4answers
259 views

Are there any permanent solutions for holes smaller than 1cm on outer tyre?

My road bike tire is damaged because of some biketrap I fell into. After a month I got a flat while riding. I found this hole at the damaged area while repairing the puncture on inner tube. After ...
7
votes
2answers
348 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?
4
votes
1answer
2k 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 ...
4
votes
4answers
5k 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
177 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?
27
votes
8answers
4k 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
806 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
283 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 ...
12
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
104 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 ...
2
votes
2answers
710 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 ...