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Questions tagged [puncture]

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

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3 votes
2 answers
564 views

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 ...
Lightsout's user avatar
  • 1,737
3 votes
3 answers
629 views

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 ...
Michael Altfield's user avatar
2 votes
1 answer
155 views

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 ...
User's user avatar
  • 21
5 votes
1 answer
976 views

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.
Nova 's user avatar
  • 53
9 votes
4 answers
1k views

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 ...
yigal's user avatar
  • 289
3 votes
0 answers
358 views

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 ...
JayP's user avatar
  • 243
3 votes
2 answers
160 views

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 ...
Nathan's user avatar
  • 151
0 votes
2 answers
217 views

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.
Bobby magee's user avatar
0 votes
1 answer
78 views

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 ...
user2716454's user avatar
1 vote
1 answer
99 views

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.
user2716454's user avatar
2 votes
1 answer
643 views

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 ...
DoNuT's user avatar
  • 4,441
1 vote
1 answer
76 views

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 ...
user2716454's user avatar
4 votes
3 answers
127 views

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 ...
volferine's user avatar
  • 161
8 votes
6 answers
3k views

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 ...
Dan's user avatar
  • 81
4 votes
3 answers
1k views

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 ...
Vilx-'s user avatar
  • 975
4 votes
2 answers
676 views

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 ...
Matt's user avatar
  • 41
1 vote
3 answers
146 views

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 ...
Boniface munene's user avatar
5 votes
5 answers
959 views

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 ...
Boniface munene's user avatar
3 votes
4 answers
730 views

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 ...
juhist's user avatar
  • 18.8k
5 votes
2 answers
942 views

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 ...
Stuart's user avatar
  • 153
2 votes
2 answers
87 views

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 ...
SSilk's user avatar
  • 4,199
9 votes
8 answers
3k 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
1 vote
4 answers
200 views

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 ...
fixit7's user avatar
  • 1,232
2 votes
0 answers
83 views

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 ...
Clayton's user avatar
  • 21
6 votes
3 answers
954 views

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 ...
Cerulean's user avatar
  • 1,061
8 votes
4 answers
3k views

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 ...
fixit7's user avatar
  • 1,232
4 votes
1 answer
1k views

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 ...
yigal's user avatar
  • 289
5 votes
3 answers
2k views

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 ...
stripybadger's user avatar
0 votes
0 answers
46 views

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 ...
George's user avatar
  • 101
3 votes
2 answers
620 views

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 ...
icykof's user avatar
  • 33
4 votes
2 answers
1k views

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 ...
user2617804's user avatar
3 votes
1 answer
292 views

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 ...
geekbird's user avatar
2 votes
2 answers
127 views

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 ...
WDR's user avatar
  • 121
4 votes
0 answers
294 views

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 ...
Tom's user avatar
  • 41
3 votes
6 answers
3k views

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?
Geoffrey Wheeler's user avatar
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
5 votes
2 answers
6k views

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 ...
Marcus Saye's user avatar
4 votes
2 answers
1k views

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 ...
bleubleupurple'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
1 vote
2 answers
185 views

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 ...
Beginner Biker's user avatar
2 votes
1 answer
191 views

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 ...
wholesomedumbass's user avatar
5 votes
4 answers
4k views

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 ...
Hello World's user avatar
4 votes
1 answer
791 views

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.
Ruben's user avatar
  • 41
3 votes
3 answers
383 views

If I mount a standard (tube needed) tire on a tubeless compatible rim will it be easier to remove when I get a flat?

I'm running a tube in my tubeless compatible WTB rim and WTB Byway tire and am finding it nearly impossible to break the seal when I've gotten flats. If I get standard (non- tubeless compatible?) ...
stormyparker'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
5 votes
5 answers
6k views

Should I use slime-filled inner tubes or anti-puncture lining?

My outer tyres were really worn and my inner tubes had 3 patches each (and still deflating) so I decided that I had to replace both. I have found some pretty nice outer tyres but as the place I ...
Hristos's user avatar
  • 53
1 vote
3 answers
5k views

Schwalbe Marathon Plus vs Continental Gator Hardshell [closed]

Schwalbe Marathon Plus and Continental Gatorskin are two of the most established and most-discussed lines of tyres on this site (171 results and 90 results respectively if you search "Marathon ...
novice's user avatar
  • 51
3 votes
1 answer
397 views

Do tyre savers made of a chain catch debris as effectively as tyre savers made of a wire? Are they practical?

I get a lot of slow punctures in my rear wheel (I think mainly from glass), so have been looking into installing a cheap tyre saver there. They are meant to catch the debris before it gets pushed into ...
novice's user avatar
  • 33
0 votes
2 answers
381 views

Keep getting flat with road bike tires

I keep getting punctures with road bike tires riding the street in Baltimore. I know they are not the cleanest but I should not be getting a flat every single time. Using Continental Gator Skin and ...
Rory's user avatar
  • 3
2 votes
3 answers
354 views

Can Presta valves suddenly lose pressure?

I was doing my usual 15 mile round, about mile or two to go, when suddenly I realised my front tyre had gone flat. It has heavy duty, mountain bike style, valves. I haven't been able to find a ...
Richard's user avatar
  • 21

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