Questions tagged [tire]

The rubber attached to the rim of your wheel. Flats, changing tires, selecting tires, etc.

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49 views

Tire and tube keep popping off of the rim

It's the third time now that the tire just pops off my rim, and then the tube blows up as a result. This is all within the span of six months on a brand new bike assembled by a supposedly high-end ...
2 votes
1 answer
44 views

How to fix loose valve?

I was pumping my tires when a valve pushed in, deflating the tire in the process. It pushes in and out, but won't stay in place. I'm not really into biking so I'm completely clueless
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25 votes
4 answers
3k views

How to tell when it's time to give up on tires?

I work at a community organization that receives a lot of donations, including tires, in various condition. We inspect tires for obvious damage and wear, and signs of aging like hardening or cracking. ...
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0 votes
1 answer
56 views

Safely seating tyre beads during seasonal installations

What's your best idea for avoiding this elementary mistake? I did not inspect the bead carefully after installing these winter tyres. Sure enough, on a subsequent inflation, and when the contact area ...
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2 votes
4 answers
1k views

Can I replace 26 inch tires with 29 inch tires on my Giant Sedona?

The reason I am asking this question is I have pre-ordered a "Switch e-bike Conversion Kit for my new Huffy Rock Creek Mountain Bike that has 29 inch tires. The Swytch system will ship with a ...
7 votes
4 answers
2k views

Is it safe to ride after innertube bulged out (returned to normal after deflating)?

I recently inflated a tire to 50 PSI. The tire/innertube is recommended to inflated to 30 to 80 PSI (standard tires on RadWagon 3). At 50 PSI however, the innertube started bulging to the point that ...
2 votes
1 answer
60 views

Tubeless 29r tire develops cracks without air

I have a new BMC mountain bike in a tubeless 29" setup. I have replaced stock Vittoria Barzo tires with a better rolling 29x2.1 Vittoria Mezcal (bought new online from Competitive Cyclist). All ...
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9 votes
2 answers
156 views

How do tubular sizing standards actually work?

Clincher sizing standards use the diameter of the bead and bead seat along with rules for where to measure and the dimensional profile of the bead and bead seat. Tubulars don't have beads or bead ...
3 votes
2 answers
180 views

Tire with lower rolling resistance

I would like to replace the knobby tires for my MTB with some that will have less rolling resistance. Is this a good choice? https://www.amazon.com/Schwinn-Replacement-Kevlar-hybrid-comfort/dp/...
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9 votes
4 answers
886 views

Letting air out of tires in the rain: any chance of water getting in? (Presta valve, tubeless tires)

I grant this is probably a silly question, but one never knows... I was out riding and rain arrived earlier than expected. I had inflated my tires before setting out to a pretty high pressure for my ...
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10 votes
3 answers
3k views

Are winter tires (with studs) safe to use in summer-like conditions?

The climate where I live is such that you may get snow or even true ice one day, but it will be dry gravel and tarmac on another. I understand that winter tires would not be ideal on these, but ...
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1 vote
1 answer
102 views

Why are my tires squeaking?

My tires starting squeaking just as move off on level ground several times. It didn't happen moving uphill. The air temperature is mild. It squeaks several times in row. I just got my tires inflated ...
2 votes
2 answers
324 views

Is it safe riding 25 mm clicher tyres on 25 mm rims?

And what might be negatives of having such a narrow tyre on such a wide rim?
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1 answer
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Can I replace a 26x2.0 tire with a 26x2.1 tire ? (Slightly wider) Also what size tube would I use? [duplicate]

I have a bike that’s 25 years old. First flat! Current tire is 26x2.0… can only find a 26x2.1 … will the slightly wider tire be ok? Also what size tube do I use? (26x2.1? … sized same as tires are?) ...
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1 vote
0 answers
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Schwalbe tires stored in a dark humid basement for over 10 years: possible to tell if they're safe to ride? [duplicate]

I have a pair of never installed Schwalbe tires that have been hanging up for about 10 years in my dark humid basement. They have not seen the light of day in all that time. When I examine them ...
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3 votes
4 answers
237 views

Is my bike repair man bulls***ing me about my tires just to get me to buy new ones?

I am still learning, so for some things I still go to the bike repair shop. I was heading there and my tire deflated, so I was like "Ok, I am nearly there, so I'll have him patch that and save me ...
1 vote
0 answers
17 views

Is compatible classic tube and classic tire (27.5x2.1) with tubeless ready rim(27.5x2.1)?

Is compatible classic tube and classic tire (27.5x2.1) with tubeless ready rim(27.5x2.1)? Thank you very much!
12 votes
1 answer
1k views

Little "holes" on carbon rims' profile: what are they used for?

I have mounted a new set of carbon rims on my bike. To be precise, it's a pair of Mavic Cosmic SL. And I've noticed that they have some little "holes" along the profile. What are they used ...
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2 votes
1 answer
52 views

Persistent tire flats / hole in tubes

Road bike rim - 700c rim - rim ID 15mm - rim OD 22mm - rim bead 3mm - new Continental Gatorskin tires - Continental Race 28 700c tubes 20-622 > 25-630 -- 700 x 20c > 700 x 25c 42 mm Presta stem....
7 votes
3 answers
758 views

Inner tube kink

The tyre is 700 x 25C. Two inner tube sizes were available: "700 x 20C to 700 x 25C", and "700 x 25C to 700 x 32C". Oddly there is an overlap, and so those with 700 x 25C get to ...
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6 votes
2 answers
251 views

Safe to Ride Tires Packaged for Two Years?

Below is a picture of two Continental 5000's that were kept in their boxes for about two years: They were kept out of direct sunlight inside a house that was not climate controlled. The tires feel ...
0 votes
2 answers
81 views

Front tire larger then back

My front tire is 24×2.10 and my back is 24×1.95 should I leave them like that, or should the larger be in the back ?
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Widest tire for 559 rim 26" [duplicate]

Anyone know the widest tire for a 559 rim? I haven't had much luck finding one. I am currently running 26 x 2.12, I am looking to go little bit wider for smoother rides. Appreciate your help.
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1 vote
1 answer
364 views

Can I fit 27x 1 1/4 tires on a 622x14 rim?

I have an old 60s (I believe) Schwinn Suburban that has no tires. I looked up what size tires to get and found 27x 1 1/4 as the match. I just recently scored a set of 622x14 rims. Could I fit the 27x ...
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1 vote
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My current tires on my hybrid bike are 700 x 40. Can i drop bown to 700 x 38 or 700 x 35? [duplicate]

I have a diamondback parkway that can use new tires. The are 700 x 40. The availability of this size is limited. Can I drop down to a 700x38 or 700x35?
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3 votes
1 answer
415 views

Tyre pressure aero wheel

I don’t know what to do in this situation with my road bike. My aero wheel say max 103 psi on it but my tyre range say 115-145 psi. I weigh 180 lbs. Do I inflate them to 100 psi or 115?
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0 votes
3 answers
321 views

Upgrading Gear Train, Brakes, Tires — Cannondale Topstone 4

I just purchased a Cannondale Topstone 4. To be honest, the bike fits me better than any bike I have ever purchased and I feel good riding it. I do, however, have a few issues for which I would like ...
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0 votes
0 answers
40 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 ...
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-2 votes
1 answer
68 views

Is this the correct Bike tire?

This is the number inside if my current bike tire 32-622(700x32c-28x1 5/3x1 1/4 I found two Amazon tires are these correct? Tire 1 : https://www.amazon.com/Zol-Velocita-Bicycle-700x32C-G5013/dp/...
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3 votes
2 answers
655 views

Bicycle rear tyres getting stuck

I just got a east man 26 inch bicycle recently, and just the very day i got it the rear tyre starts getting stucked while riding.
13 votes
2 answers
349 views

How can an inner tube literally *dissolve* itself inside a bicycle tire?

[Excuse my English. I’m German and don’t know all the specific technical terms.] Today, I tried to inflate my tire, but while taking off the cap, the entire valve rotated with it, as if it wasn’t ...
6 votes
2 answers
206 views

Tyre blow off advice

I've recently installed an electric kit to my bike and have had the tyre blow off on the new rim twice like the pictures below. The first time was just after inflation and the second was after a 30 ...
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7 votes
2 answers
607 views

Tire Size Road Bike

I need new tires and not sure what size to order. Here are photos of my bike tires. I see 622x 15, but also see 25mm as a stand alone number. 622-25 seems more likely for my road bike, not sure if ...
7 votes
2 answers
400 views

Why is my old WTB All-Terrain tire sized as 30/32?

I bought a bike used which came with a worn pair of WTB All-Terrain tires and I would like to order a replacement pair of tires, but it looks like I can only find them in 32mm+. I wanted to know why ...
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2 votes
1 answer
123 views

A tool for comparing outer diameters of different tyre sizes?

Everyone is probably aware of internet resources such as BikeInsights.com that allow the user to compare two different frames/bikes' size and geometry both visually and through raw data. I have looked ...
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16 votes
8 answers
3k views

What is the purpose of a tread pattern on city/road tyres?

What is the purpose of tread patterns on city/road tyres? I think I've understood (perhaps wrongly) from this site that they're unnecessary on paved roads: Grip (friction) is more-or-less contant, or ...
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2 votes
1 answer
117 views

Panaracer Gravelking SK Tubeless Blowout on WTB i21

I just got 2 new Panaracer Gravelking SK tires and mounted them tubeless on WTB i21 rims with the correct width rim tape from WTB. I inflated them to 60psi to set the bead and the rear blew off the ...
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2 votes
1 answer
114 views

What does 23/32c mean in 700x23/32c tubes

So, I use 700x23 tires on my bike. I am planning on buying a new one from the internet and on most of the tubes I see things like 700x23/32c. Does this mean that these tubes are suitable for both 23 ...
0 votes
1 answer
72 views

Tube size and tyre size mismatch

I have spares of 700x25C tube for my old bike. I bought a new hybrid bike. Can I use them for my new bike with tyre size 700x35C?
4 votes
1 answer
291 views

Why tubeless tires without tubeless approval

There are tubless ready tires out there (as the Chinook Pass) that are not approved for tubeless use but still have the label "tubeless ready" For this specific tire I found that out since I ...
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0 votes
1 answer
221 views

What is the max size tyre I can fit on a 19mm rim? Would 2.4inch be possible?

I've currently got rims of ETRTO 584 19mm with 2.1" tyres. I'm looking at buying new tyres but was thinking about going up to 2.25" and 2.4" if possible (don't want to have to return ...
3 votes
1 answer
113 views

Is a 700-23C 23/622 Road Bike Tire appropriate for a 25-28/622 Road Bike Wheel?

Simply Put, the tire bead won't hook into the wheel. The issue occurs with BOTH Wheels. I thought one rim might be compromised, but NOT both. When inflating the wheels, the Tube starts to push ...
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5 votes
2 answers
612 views

What Causes Tubeless Road Tires to Blister?

Road tubeless setup, and have been happy with it for several years. In the past year I have had a couple of my tires blister either on the centerline of the tread or just slightly off it. In one case ...
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8 votes
1 answer
119 views

Water in (tubed MTB) tyres for weeks after a riding through a ford - is it a problem?

I changed my MTB tyres yesterday for today's ride (lots of road and gravel, not much tricky stuff, and very dry, so I wanted the faster ones). That bike with the other tyres had last been ridden ...
  • 48k
3 votes
2 answers
340 views

Searching a new city tyre for Two old bikes, one has 26x1,90 tyre on it and another has 37-622(28x1 3/8x1 5/8)

I have two old bikes. Without changing their rims, I want to make them city bikes which I will use for going to work. I prefer thin tires as much as possible. Could you help me to choose a good pair ...
11 votes
3 answers
960 views

Bubbles in carcass/ casing of Schwalbe Pro One TLE

I noticed two small bubbles on the carcass of my rear tire. I am running the 32mm Schwalbe Pro One tubeless at around 4bar /60psi and it wasn't particulary hot when the bubbles appeared (~20°C). The ...
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3 votes
1 answer
87 views

Cracks on tyres

Have cracks of tyres on two bicycles. See attached photos. Bicycle 1 (top), 2 (bottom). It isn't dry rot ( What are these cracks in the side of my bicycle tyre called? Does this mean that my tyre is ...
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1 vote
1 answer
109 views

New tires are wonky

I recently replaced my hybrid road tires w tires a bit more knobby. Not gravel tires, but not smooth. Anyway, ordering online I got the suggested tubes that are super skinny. While they fit, they don'...
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8 votes
3 answers
2k views

Should I be worried about small cuts on a tubeless tire/tyre?

My tubeless tires/tyres have a few cuts around the tread pattern. They are each around 3–4mm in length. I've been proactive with topping up sealant and have not had any flats since riding with these ...
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4 votes
1 answer
155 views

Rear tire rubbing on both chainstays

I left my bike in our boiler room over the winter, and now the back tire is rubbing heavily on both chain stays. Before it was a very tight clearance, but it worked without a problem. Now, it ...

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