Questions tagged [puncture]
Also called "flat". Ways to avoid punctures, deal with punctures, etc.
255
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Flats on gravel with GP5000 - what am I doing wrong?
I've just put new 32mm Continental GP5000's on my road bike. I ride mostly on tarmac but there is the occasional gravel or dirt trail, I've previously used the Bontrager R1's the bike was sold on on ...
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1
answer
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Small debris which has punctured a tubeless tire: to leave or to remove?
I punctured tubeless road tire. The puncture self-sealed in a few minutes. At home, I found the glass bit and pulled it out (as I would have done with tube setup). This has opened about 3mm cut, looks ...
- 1,677
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votes
2
answers
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Ring of holes on the tube opposite the valve; what's the mechanism for puncture?
I just replaced a tube on my back wheel and it's got a slow leak. I can pump it up and ride for an hour or two, but when I come back the next day it's completely deflated. I did the "submerge ...
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votes
3
answers
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Are foldable tires less puncture resistant?
I like buying stuff on Amazon and most of the tires there are foldable. I bought a GP 5000 foldable tire and kept getting flats maybe 1-2 per month sometimes. I stopped using them and went back to ...
- 1,817
14
votes
2
answers
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What might cause an inner tube to "behave" flat in a tire?
I've been having a problem with a "flat" tire - I cannot get the air pressure over 5-10 psi (35–70 kPa), I can hear air whistling out if I pump more in. Disassembled, the tube inflates up to ...
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Can I use a vulcanized patch on the inside of a tire?
I recently pinched a new tire (second ride) including the casing on one side - it's maybe 3mm long a few mm above the bead. This is a set of MTB tires I intend to run at 30psi max with a tubeless ...
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New inner tubes start deflating shortly after installation
I've already seen it happen at least 4 times in my back tyre and once in the front one.
After installation of the new tube, after some time of cycling (days) the tube will start deflating. Most of the ...
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3
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extremely slow leak in tire
Im getting an issue with my bike where the back tire is deflating extremely slowly compared to a normal flat where it takes maybe 2 days to be noticeable in terms of lower pressure and maybe a week to ...
- 1,817
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votes
3
answers
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List of most common types of bicycle tyre flats (tube tire flat puncture)
What are the names for the most common ways to get a flat tyre on a bicycle?
I'm very familiar with a "pinch flat", but I recently put too much pressure in a damaged tyre (whose steel braid ...
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1
answer
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Rear wheel deflating instantly after pumping
I have a mountain bike and recently the rear wheel has gone flat and every time i pump air into it up to 50 psi it deflates after a few minutes
I also hear air coming out a certain part of the wheel ...
- 21
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answer
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I put a 700 x 35c inner tube in my 700 x 38c tyre. Is my tyre in risk for a flat?
Even though i pumped in air , there is noticable noise and sponginess when the tyre rolls. Since its my daily commuter, i cant risk facing frequent flats too.
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answers
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Repeated punctures at the base of the valve stem
I get many punctures at the valve stem in my 29 inch mountain bicycle. any tips to avoid them?
The hole with leaking air is marked with green circle (click for larger):
The rim with rim tape next to ...
- 289
4
votes
1
answer
562
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Giant SLR1 Hookless Rims Issues
I recently purchased a Giant Propel Advanced Pro and the bike comes with Giant's new tubeless-ready SLR1 hookless rims with Cadex tyres. Since purchasing, I have had a few punctures and have decided ...
- 253
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2
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Tubless tyre set up leaking air
I am setting my bike up tubeless. I have been able to seat my tyre and can inflate to around 40psi, but air is leaking out the sides of the tyre quickly. How can I prevent this. Will they seal ...
- 151
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486
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What size of inner tube fits a 650x47b tire?
What size of inner tube fits a 650x47b tire?
It's gravel bike. The tire states it's tubeless ready but there's a tube in it currently.
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140
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Keep getting puncture on inner side of the tube
I am getting puncture on inner side of my tube near the same spoke, it happened 3 times.
I have checked everything, no sharp edges on the rim, no foreign objects, and even spokes dont seem to stick ...
- 135
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vote
1
answer
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Tube puncture on inner side
I got this flat on brand new tube , right after riding less than one mile.
There are no spokes sticking out, I checked it twice. There is no sharp object either.
- 135
2
votes
1
answer
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Is it generally safe to ride on with a puncture like this?
I had a puncture on my big ride yesterday that hurt my tire and even the carcass quite visually. In the end and due to lack of options to source a fitting tire on a Sunday in more remote Alpine ...
- 4,556
1
vote
1
answer
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Tube puncture at same place
1st picture - small rip on inner side of the tube.
Rim looks good, rip tape also good.
I fixed it 2 times using slime patch kit, first time it failed when I was inflating tube after patching it, 2nd ...
- 135
4
votes
3
answers
131
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what is causing frequent punctures?
Starting in late August I'm getting frequent punctures, sometimes after only 30 km or so. They are always on the inside, and if the tube is patched, it appears that the patch "attracts" the ...
- 161
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votes
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answers
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Why did my road bike tire patch fail?
Long story short: I put a patch on a punctured road bike inner tube, it was fine for two days and 20 km, then the tire became completely flat, due to air leaking from the edge of the patch; why?
On ...
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What caused this puncture in my tube?
Here's a photo:
This is confusing me because of several things:
This is clearly on the inside of the tube, so it's not something I rode over
This happened while the bicycle was standing untouched on ...
- 975
4
votes
2
answers
705
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Keep getting small punctures on spoke side of tube
I am using 27.5 x 2.1-2.4-inch tubes in tubeless rims on a hard tail trail bike. Mostly riding trails. I keep getting small punctures on the spoke side of the tube. Could be the same spot but it's ...
- 41
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3
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161
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What is the best old tube plus current tube or current tire plus old tire combination if I want to puncture proof my bike or can I use three of them?
Am not a very big fan of carrying repair kit around. This is it, no room for surprises and mistakes, I repaired multi punctures before they happened. My front wheel had a new innertube already. But ...
- 121
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votes
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answers
1k
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How can I treat small glass cuts on my bike tyre?
To prevent future punctures or keep delaying them, can I use super glue for this purpose? What can I do?
I do a lot of street riding and am concerned with small glass shards ruining my rides. I had a ...
- 121
3
votes
4
answers
1k
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Is it a good idea to use a Presta-to-Schrader adapter and Schrader mini pump if you have bikes with both valve types?
I have bikes with two types of valves: Presta and Schrader. Usually when buying bikes or rims, I'm very careful to buy only Presta stuff. If I for some reason end up with a Schrader rim, I may go even ...
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Access hole opened near spoke on Dt Swiss 1600 rims
I got a sudden flat innertube today after pumping up my tyre.
Looking at the puncture and the rim it seems that an access hole of some kind had opened up - see photo - the tube pinch punctured on this ...
- 153
2
votes
2
answers
106
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Tube failure at base of Pesta valve after tightening nut
I just put an old set of tires and tubes back on the rims, and on one wheel, as I tightening down the Presta retaining nut (the nut that goes onto the valve after it's gone through the rim), I heard a ...
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votes
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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 ...
1
vote
4
answers
204
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Flat repair advice needed
After have a flat at night about 2 miles from home, I would like to have a better strategy for getting back home other than walking my MTB bike home.
I have these.
I am not sure how to use the CO2 ...
- 1,232
2
votes
0
answers
83
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Back wheel tube consistently popping when putting wheel back on bike
I ride a Specialized Allez that's probably 15 years old, and recently had to purchase new wheels and tires because mine were stolen. I put a new tube on my new back wheel, and it popped as soon as I ...
- 21
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4
answers
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Has anyone tried Tannus Armour tires? What do you think?
I have a Giant gravel bike that I use exclusively on asphalt -- that is, I use it as a road bike. I do perhaps 175km a week, 10k meters in ascent/descent a week.
The issue I have is that to get to ...
- 1,081
8
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Are pre-glued patch kits advisable?
I just had a flat, luckily only 2 miles away. It happened at night and occured when I crossed the road. I used the old style vulcanized patch that uses glue.
What about these: Park Pre-Glued Super ...
- 1,232
4
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1
answer
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repeated punctures at the valve stem
I just
had a puncture at the valve stem on my front wheel. 29 inch mountain bike
replaced the inner tube
had to leave the bicycle outside at the 90 degrees with direct sun for two hours
rode the bike ...
- 289
6
votes
3
answers
2k
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Is 3mm tubeless puncture too big to seal?
I have a small slit in my MTB tyre (approx 3mm long x barely 1mm wide) which won't seal.
I had to put a tube in when the puncture happened as it wouldn't seal, but I've now taken the tube out, cleaned ...
- 163
0
votes
0
answers
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Tube punctured by broken tire carcass fibre?
My wife's new bike had a puncture in the 650Bx2.4 "gravel" tire shortly after riding on a section of trail where fresh gravel had been spread. The gravel is crushed granite and quite coarse ...
- 101
3
votes
2
answers
873
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What could cause my tubeless tire (700x25) to leak air at nominal pressure?
I have a road bike with tubeless tires (700x25) and I have noticed for a couple of rides now that by the end of the ride I lost quite a bit of pressure.
To check out what is going on, I re-inflated to ...
- 33
4
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2
answers
1k
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Why did my bicycle have a spoke shatter and a tube rupture?
Some days and one and off, I had been having squeaking sound from the bicycle- couldn't pin down the location other than rear of the bike. Suddenly when crossing the road while at low gear, a spoke ...
- 517
3
votes
1
answer
320
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Should I replace a punctured tire immediately?
Was going on my morning ride and unfortunately 5km away from my place my rear was punctured by a small nail and the hole is about 1mm wide. I patched up the innertube and mounted it on again and rode ...
- 53
2
votes
2
answers
129
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Why the tire gets flat immediately? [duplicate]
Yesterday I went to the GYM with my bicycle. It was OK. After workout I found that the tire is completely flat! Today I used an air pump to blowing it again and see what happens. It was OK and I fully ...
- 121
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315
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Shimano Roller Brake Model BR-IM31 (specifically!!)
New to the world of roller brakes (new cargo bike) and need to change back inner tube due to flat.
I'm trying to work out how to remove the back wheel and have unclipped the gear cable (nexus hub) but ...
- 41
3
votes
6
answers
3k
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How can I patch a hole on the underside of an inner tube?
Is it possible to patch a hole on the underside (rim side) of an inner tube? I have not had success doing this. Is there a special technique?
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3k
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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 ...
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Do I need to replace the tire or just the innertube? And tire size question
I just got into cycling and I got a puncture yesterday. Regarding the puncture, I found 3 small shards of glass going through the tire and into the inner tube, now that I've removed them do I still ...
- 219
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2
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1k
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Can't find puncture cause
I'm changing my first inner tube after getting a puncture in the back wheel. I had to put the tube in water to find the puncture and it was a tiny hole on the inner side of the tube. On the wheel I ...
11
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2
answers
2k
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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 ...
- 546
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232
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Tape substitutes to prevent flats in mtb inner tubes?
There are products (tapes) on the market that protect mtb inner tubes from flats. Apparently, these tapes go over the inner tube and are puncture resistant. I'm wondering if there are substitutes ...
- 202
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votes
1
answer
207
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Puncture immediately after inflating
I had 4 punctures happen in a similar fashion: they all punctured with an explosive "whoosh" sound a few minutes after inflating. Here are pictures of punctures 2 to 4.
As you can see, they ...
5
votes
4
answers
4k
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How easy is it to explode a tubeless tire whilst seating, and how do I avoid this?
I installed tubeless tires about two months ago, but the back tire had been leaking fluid and yesterday went completely flat. All the fluid inside has dried up and a lot of it had built up between the ...
- 441
5
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1
answer
806
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Tubeless tyre punctured on the ride
I have a question, what is the best method to fix my tubeless road tyre if I have a puncture while on a trip? I am searching for a fast method just to get home and fix it later.
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