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

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3
votes
1answer
167 views

Strong tires for Trek Verve 3

I recently got a bargain on a Trek Verve 3 bike. From what I read, it should support my weight (6 feet tall, 290lbs and going down) if I get wider tires with strong sidewalls. Currently I have an AT ...
3
votes
4answers
368 views

inner tube width range relative to tire width: reliability effects?

[Apologies if this seems like a dup: I see there are lotsa tire+tube questions, but this one does seem to be slightly different, in that it strives for generality and concerns choice between ...
5
votes
1answer
366 views

Increasing the size of tyres on a hybrid

We are planning on doing some mountain biking in a few weeks time and we'd like to get some wider tyres for my wife's hybrid. I know there are similar questions and answers out there on this topic, ...
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 ...
46
votes
14answers
41k views

What are advantages and disadvantages of CO2 inflators over frame pumps?

I have a frame pump that I've used on the road when replacing flats, but I always see CO2 inflators advertised at bike shops. Are they worthwhile for the potential weight savings?
4
votes
3answers
4k views

Rear wheel sliding/slipping on turns?

When I take turns, my rear wheel is sliding to the outside of the turn. I'm riding a 2012 Norco Heart, brand new stock tires, single-speed. I'm not carrying much weight, or taking turns too tightly. ...
9
votes
2answers
730 views

Do rollers ruin tires?

I started using aluminum rollers to ride indoors this winter and noticed streaks left on the tires. I've also seen tires specifically advertised for use with rollers. I'm wondering whether using ...
1
vote
1answer
117 views

How to get tight tire on rim of a road bike

I have been having trouble getting a fresh tire onto a road bike wheel. The tire is "continental Grand Sport race 23mm" and the bike is a scattante road bike. I have looked at tips and watched videos ...
3
votes
2answers
149 views

Is there a measurement for tyre profile or height from rim?

I have a small child road bike frame that takes 20 inch wheels. It comes with no information from the manufacturer, but from what I've learned there are two 20 inch wheel/tyre standards 406 and 451. ...
29
votes
9answers
75k views

How often should I change road bike tyres?

My road bike has now done 500 miles, but unlike cars, I've no idea how often the tyres should be changed. It's used on normal road conditions. The brow of the tyre is now smooth. How do I know if my ...
0
votes
0answers
33 views

Inner tube 700x28/38 vs 700x28/32 [duplicate]

I normally use a 700x28/32 inner tube. I went to another bike store and he only had 700x28/38 tube. He said it would work okay. Is that correct?
1
vote
1answer
165 views

Bumpy ride. Is it the casing or the inner tube?

I pumped a new tube to about 80 psi (I missed that on the casing the recommended pressure is 100 psi). On the ride immediatly, I hit a very small kerb harder than I wished and after I noticed that my ...
-1
votes
3answers
214 views

Tire pressure on new bike

I have the new Tommaso (was Timmaso) Imola bike with Tommaso Corsa TC20 wheels. The tire sidewall says "max pressure 90 psi" The tire is the kenda 700x25c. I am 5'9" 220 used to be a power-lifter ...
10
votes
3answers
24k views

Mixing different front and rear tires

My used bike came with different front and rear tires. It appears to have some kind of Kenda commuter tire in the front, and Continental Country Ride in the rear. They are both the same size (700x28). ...
1
vote
1answer
193 views

Rear brake pad clearance problem on '06 Specialized Langster

I have a 2006 Specialized Langster, size 50cm. I replaced the brake calipers years ago with older-style Shimano 105 single-pivot sidepull brakes. The brakes have never been very powerful. Worse yet, ...
9
votes
3answers
3k views

Tire slips off the rim when inflated to 8bar

I bought new wheels for my roadbike (shimano wh-rs80 which have c24 alu/carbon rims). I was mounting tires on them yesterday and inflated them to 8 bar (~116 psi). After a few moments (30 seconds or ...
1
vote
5answers
6k views

Tire popping out of rim when inflating tube

This is very similar to this question. When I fill my tubes up to about 85 psi the tire pops off the rim and the tub gets caught on the rim and blows up. I have gone through 4 tubes in two days at ...
6
votes
9answers
55k views

Why do my tires keep losing air, even after having the tubes replaced?

I had a problem a few weeks ago where my tires were flat and needed air every time I took my bike out of the garage. I brought it to the local bike shop, and they replaced my tubes. This made a ...
1
vote
3answers
19k views

I need help replacing my bike's tube

I recently popped the tube in my front tire and need help replacing it. I don't really know very much about bikes or the assortment of numbers on tubes, tires, and wheels. Here is what I do know: The ...
16
votes
4answers
15k views

Should inner tube have excess length?

I've recently changed the default 700x35 tires and 35mm Schrader inner tube to 700x25 slicks with 25mm Presta inner tubes. However whilst fitting the new tire and inner tube, I noticed that the inner ...
5
votes
3answers
160 views

inner tube length size question

So I bought a used road bike from WI recently. and just a couple days ago i got a flat. I took out the tube wanting to patch but saw that it was all patched up. So i decided to just buy a new on. the ...
3
votes
3answers
687 views

Is a Roadie with wider tyres still faster then a MTB with slicks?

I need a new bike, but I´m in a dilema on which too choose, because my rides involve 4 kinds of pavement: smooth cycle ways, cobblestone, ok city roads and rough city roads. Was thinking just to keep ...
2
votes
1answer
152 views

Unable to find correct tire size

Recently, I had a problem with the back rim (the axis) and the guy who repaired just replaced the rim. After few weeks I tried to repair a flat tire, but I found myself unable to remove the tire to ...
4
votes
2answers
251 views

Tire Repair / Maintenance

This question, What's the cause of the tyre cut, got me wondering if there is anything that can, or should, be done to repair small cuts in the tread of a tire. As I was looking at the damage to the ...
16
votes
5answers
10k views

Should I put my wider tire in front or in back?

My used bike came with a 700x28 tire in front and a 700x23 tire in back. Should I leave the wider tire in front, or should I switch the tires? What benefits or drawbacks are there one way or the other?...
5
votes
2answers
558 views

At what slope will the best bikes keep a constant speed?

At what slope will the best bikers (in terms of aerodynamics) on the best bikes roll at a constant speed at 80 km/h on an asphalt surface on a dry day? The reason for this question is because it gives ...
0
votes
0answers
35 views

What is the relation rim width - tyre width? [duplicate]

I've been reading about rim and tyre widths for a while now, but I still don't quite grasp this. Is the relation rim width - tyre width 1:1? Or can a given rim width host different tyre widths? If so, ...
1
vote
0answers
46 views

507 rims on a narrow frame

I bought my son a powerlite Jr cruiser. He would like to but a bigger tire on it. It currently has 520mm 24" wheels with 1" tires. Question is how wide is a 24" 507 bmx rim? I can't find specs ...
21
votes
6answers
5k views

Least worn tyre: front or back?

Where should I put the least worn tyre? on the front or the back? This is for XC MTB. Thanks in advance.
4
votes
1answer
258 views

Durable and Affordable 20" wheel and tire combo for Bicycle trailer?

I purchased an Aosom trailer a while back, and the wheels and tires are truly horrible. So much so I only run light loads now. I'm looking for 20" wheels that are either double wall alloy or ...
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 ...
14
votes
4answers
939 views

What kind of tires should I buy for an e-bike, commuting on maintained off-road?

I need to buy a new front tire for my new e-bike. Let me give you a few of the conditions I'll be riding in, and I'd like your advice. First of all, this bike is primarily going to be used to commute ...
3
votes
1answer
100 views

Can a tubular tire be reused?

I have some knobby cross-specific tubular tires (Challenge Limus 33) mounted on a bike and I want to change them in exchange for slick tires for a period of riding primarily on the pavement. While ...
5
votes
1answer
485 views

Is it okay to store bike tires in unheated garage over winter?

I have a lot of spare tires for bikes. I can either store them inside my house in the basement or in the garage. I've got a lot more open space in the garage, so that's my preference. However, I live ...
1
vote
2answers
294 views

Can Inner tube 1.25 / 1.5 fit 26x1.4 tire?

I have a tire 26 X 1.4 what size tube should I buy for it? 1.25 or 1.5 Inner tube ?
6
votes
1answer
332 views

What bicycle safe anti-car road spikes exist?

I am curious if there is a technology that allows bicycles to run over it, but will destroy car tires. From my understanding, usually poles like this are placed on trails to prevent vehicles from ...
22
votes
4answers
7k views

Is there a difference in having tires filled with CO₂ vs air?

When you fill your tire with a CO₂ cartridge you are obviously putting CO₂ into it. When you use a pump you are putting air into it. Are there significant temperature variations that may lead to poor ...
5
votes
2answers
528 views

Is my Schrader valve spoilt?

(Tried searching this forum for this question but I couldn't find a question of the same type) Hello, I've been trying to pump my front tyre but to no avail. I could easily pump the back tyre but not ...
4
votes
1answer
152 views

Why did my tire fail?

Just got back from a ride. On my way back, my rear tire suffered from a side wall blow out. The area that went looks like it has been completely shredded. The area feels like it's been melted, with ...
38
votes
8answers
14k views

Are slick tires worth it for commuting?

I commute to work on a Marin San Rafael on roads over a mix of flat to steep roads. My bike came with "700 x 35c with Puncture Protection" semi-slick tires: In the bike shed at work I noticed ...
4
votes
2answers
466 views

Bead Separated from Fabric

The metal bead on my tire seems to have come out of the fabric in one spot, and so the tire no longer stays in the rim. Is it possible to fix this, or do I need to get a new tire?
3
votes
1answer
120 views

Can I fit a 32-630 tire on a 20-622 rim?

I know that the width difference might present problems later on, but if I understand correctly then it should be possible. The bike isn't meant to be used in high performance circumstances, just the ...
6
votes
3answers
415 views

Winter tyres or winter wheels?

I've just picked up some lightly studded tyres - winters aren't too bad here but ice can be a problem. The bike is a hybrid mainly used for commuting, with some early starts. Most of my route is ...
3
votes
1answer
243 views

Bicycle hand pump pressure gauge

Today I got my new bike pump. It is a two-way pump with pressure gauge, up to 100 psi, that I bought cheaply over the internet. When I tried to pump up my tire (Schrader valve) it seemed to be working,...
3
votes
1answer
2k views

how to use “smart valve” pumps?

i got one floor pump with a so called "smart valve". it came with no instructions whatsoever. and I'm not smart enough to use it... I tried it on both type of tire valves, and no matter what i do, it ...
2
votes
1answer
210 views

Is it 'safe' to use a 700 x 47c tyre on a rim with inner width of 15mm?

Looking to upgrade my tyres on an old roadie mash up to something chunkier so I can handle some off road sections on a ride coming up, currently it has a 27 x 1 1/4 front tyre and a 27 x 1 3/8 rear ...
4
votes
3answers
5k views

Are 700x 28 x 32 x 35 tires interchangeable?

I have a cyclocross bike with Alex ATD 470 Disc rim with TCS (Tubeless Compatible System) currently mounted with Vittoria, Cross XN, 700 x 32c tires. However tires are a bit worn out and I want to be ...
1
vote
1answer
108 views

MTB Tyre Safe for Wet Roads

I ride %50 on road, %50 XC. When the roads are wet/rainy the bike dances with me. Thus, i want to change the tyres. What I want is safe (in especially wet/rainy conditions) drive both on-road and ...
0
votes
2answers
179 views

Future of Tire technology

Why do tire producing companies still produce tubulars? Isn`t Tubeless the technology of the future?
1
vote
1answer
76 views

Replace a 2.0“ tyre with a 2.1” studded one?

I'm looking at replacing the tires on my GT Aggressor commuter bike with studded tires for the winter. Based on the current tire sidewalls (the rims themselves don't actually have the width or ...