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

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76 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 ...
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2answers
109 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 ...
3
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4answers
776 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. ...
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1answer
99 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 ...
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3answers
408 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
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2answers
200 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 ...
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4answers
113 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 ...
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6answers
366 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 ...
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1answer
41 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 ...
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2answers
171 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 ...
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8answers
405 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 ...
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8answers
2k 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 ...
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3answers
140 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
64 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
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1answer
611 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
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2answers
147 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 ...
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1answer
181 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
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1answer
302 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 ...
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5answers
148 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 ...
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1answer
231 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
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6answers
1k 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 ...
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2answers
222 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 ...
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4answers
428 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 ...
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2answers
232 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 ...
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1answer
325 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 ...
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5answers
884 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. ...
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3answers
743 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 ...
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5answers
705 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 ...
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4answers
221 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
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2answers
339 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?
3
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 ...
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4answers
3k 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 ...
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3answers
173 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?
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8answers
3k 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). ...
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1answer
689 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 ...
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4answers
245 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 ...
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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
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2answers
100 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
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2answers
614 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 ...
10
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3answers
247 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
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3answers
161 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 ...
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4answers
4k 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?
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1answer
184 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
422 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 ...
3
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2answers
268 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 ...
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1answer
4k 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 ...
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7answers
1k 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. ...
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3answers
3k 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 ...
9
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2answers
16k 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
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1answer
104 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 ...