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

learn more… | top users | synonyms (3)

8
votes
4answers
3k views

How can I repair a tyre with a deep cut?

I have some foldable racing tyres, still with plenty of tread but with some small cuts through the tread & cloth. Can I do anything to them or are they destined for the bin?
8
votes
4answers
1k views

Studded tires for small wheels

I'd it possible to purchase 16" studded tires? I have an old Dahon I use as a winter bike, and I'd like to replace the tires with proper snow tires if this is possible. If not, has anyone here ...
6
votes
2answers
2k 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 ...
5
votes
5answers
1k views

Do we really need another bike size?

OK, this is a rhetorical question that deserves to be closed as "opinion based", but gotta ask. Why do we need to have "27.5 inch" bikes? If you dig through the specs (they don't come right out and ...
4
votes
3answers
811 views

Is it normal to wear out the rear tire with in a few months when using a trainer?

Early this year I attached my bicycle to a trainer, around the December time frame of 2011. The rear tire and inner tuber where shot by March of 2012. Riding about 24 Miles per week. Is this normal ...
18
votes
4answers
5k 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 ...
13
votes
3answers
7k 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 ...
13
votes
7answers
2k views

Fixing a flat - how to find the piercing object?

Just had a flat and having problems finding the thing that pierced the tube in the tire. Normally I just run my fingers around in it, until I found it, but this time everything looks O.K. My ...
12
votes
6answers
13k views

How do I know which size and type of rim strip to buy?

I have a Gary Fisher mountain bike. I was changing the tube in my rear tire. The rim strip (rubber lining around the wheel to protect the tube from the spokes) had moved a bit so I went to adjust it ...
9
votes
10answers
4k views

Any alternative use for old mountain bike tyres and inner tube?

I have recently changed the original tyres and inner tube of my 15 year old Specialized Rockhopper. They were starting to deteriorate and I got punctures almost every time I took it on gravel paths. ...
8
votes
5answers
573 views

Is a tire patch kit really necessary for urban commute?

I'm cycling for urban commute, on well-maintained roads and bike paths, Vittoria Randonneur "puncture resistant" tires, and at no point on my ride am I more than 1/2 mile (usually within 1/4, I bet) ...
8
votes
6answers
16k views

What road bike tire pressure is best for speed?

Is the maximum tire pressure always the fastest on a road bike? I've seen the Michelin chart on tire pressure from another question ("What pressure should I run my Road Bike tyres at?"), but they ...
8
votes
5answers
284 views

How do you deal with flats in the winter?

I was lucky last winter I went the entire winter without getting a flat. I attribute it mostly to: sharp items on the road being hidden under snow and ice less agressive riding resulting in no ...
7
votes
5answers
3k views

How much does tire pressure affect the weight of the wheels

Kind of inspired by this question, but something I've been thinking about for a while. How much does the air in a bike tire weigh? Is it an appreciable amount? Is there a point where using a wider ...
7
votes
1answer
1k views

Do narrow tires puncture more frequently?

Does a narrow bicycle tire puncture more often, or does it requires more attention regarding its maintenance and servicing?
7
votes
6answers
17k views

Choosing good slick tires for a MTB

I have an MTB with tires that roll very badly on pavement because of plastic spikes. I'm looking to get a pair of slicks and I'm hoping to get some advice here. My bike is a 29", I think they current ...
6
votes
3answers
2k views

Metal or plastic levers?

What are the advantages of buying plastic over metal tire levers? (or vice versa). Which ones are easier to use?
6
votes
6answers
13k views

Can you run a standard tyre on a tubeless rim?

I have some new tubeless MTB rims and I'd like to avoid buying new tyres for them. The tyres are reasonably sturdy (Continental Race King Protection - 4 plies / total 240tpi) and I have sealant. As I ...
6
votes
3answers
1k views

Looking for orange tyres

I'm looking for a pair of folding, orange training tires, size should be 700x23C. I'd like to have only an orange stripe, not the whole tire. Can you recommend some model?
4
votes
8answers
295 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 ...
4
votes
4answers
1k views

Is there a way to fill your tires with nitrogen?

I know this is a rather controversial issue. I was skeptical as well before doing this on my car, and I have not refilled my car tires for several months. Before that I needed to adjust the pressure ...
4
votes
2answers
352 views

What's the shelf life of tublar tires?

I have a set of tubular Continental Sprinter Gatorskin (28" x 22mm) that have been sitting in the box on the floor for close to four years. They look fine, but I'm worried that they won't last long ...
4
votes
3answers
2k views

What caused diagonal cuts in the sidewalls of my tire?

I noticed some strange damage on my rear tire, where there appear to be diagonally cuts going around the entire wheel. I have no idea what might have caused this damage. I first saw it a few months ...
3
votes
5answers
2k views

How much does rider weight increase tire pressure?

When a person sits on a bike, the air pressure in the tires must go up because of the additional weight. With 100 PSI in 700x23 tires on a riderless bike, what is the air pressure when a 100 lb rider ...
3
votes
3answers
493 views

Do tires with worn sidewalls need to be replaced?

My bike needs a bit of a tune up, particularly the tires since the back tube has a hole in it. The rims on the bike are 26"x1.5" and the current tires are 26"x2" and both have great tread, but the ...
3
votes
2answers
2k views

Can outer tyre (casing) punctures/cuts be fixed?

My flatmate got his tyre stabbed. With a knife, it seems. (The bike was tied to a staircase railing in the building and was obviously in some maniac's way. Though there was plenty of room around. And ...
3
votes
3answers
3k views

Will a 650x23 tire fit on my 26" rim?

I have an MTB that I have been riding in the city for many years. As such, slick tires suit me well and I have been using a set of 26x1.25 tires for the last 3-5 years but they are starting to show ...
3
votes
1answer
3k views

Why does a decimal sized 26“ tire fit my rims but a fractional sized 26” tire doesn't?

I'm replacing some 26 x 2.10" mountain bike tires that I have on my bike with some thinner 26 x 1 3/8" road bike tires for commuting, however somehow even though they both say that they are 26" the ...
3
votes
4answers
486 views

Gash where valve meets tire tube; How could this happen, and can I fix it?

I'm fairly new to bicycling; apologies if this is a standard question but I couldn't figure out how to phrase it to search for it elsewhere. I ride a KHS Urban-X with Kenda Kwest tires (just what it ...
2
votes
1answer
520 views

Why are tires that fit 622mm wheels called 700C [duplicate]

where does the 700 come from and what does the C stand for in 700c?
2
votes
1answer
594 views

Homemade Tubeless Tires

As I was browsing Youtube for cycling related videos, this one on making your own tubeless setup caught my eye. The procedure is essentially as follows: Clean a standard rim (not for tubeless ...
2
votes
1answer
1k 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 ...
2
votes
2answers
512 views

Is a fatter tire likely to get fewer flats

Everything else equal is a fatter tire likely to get fewer flats Actually misread another question Is a bigger wheel likely to get fewer flats? So I am posting this question to match my answer
2
votes
2answers
346 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 ...
2
votes
2answers
204 views

Can heavy tires handle anything that the trail can offer?

I got a Slash and it came with Bontager XR4 Ellite tires. The same evening at the park I had a puncture. Turned out the offender was a thorn to the sidewall (I rode through some cut off and now dry ...
2
votes
2answers
3k views

Rim width / tire section tolerance?

I have a Mavic Open Pro rim in 700 diameter. The manufacturer recommends tire widths between 19 and 28 mm : http://www.mavic.com/en/product/rims/road-triathlon/rims/Open-Pro How strict is this ...
2
votes
2answers
2k views

Can I damage a tubeless rim using a wire bead tire on it?

This question is very similar to Can I use a standard tyre on a tubeless rim? but while the answers there set out that it's possible I'd like to understand the risks of doing it. I recently saw a ...
1
vote
2answers
2k 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 ...
1
vote
2answers
1k views

Why does a 28 1/3 tyre fit, when a 27 1/4 tyre is too big?

I've just bought these rims off eBay: ...
0
votes
1answer
51 views

What should I look for in a new front wheel for my heavy body?

I broke my second front wheel last night when I hit a dip that rose too quickly on the far side. The wheel didn't get a chance to redirect the force upward before all my weight went behind it. I'm a ...
0
votes
2answers
32 views

Can I put my 2.1" 29er tires on a wheel with 25mm inner diameter?

So I broke my second front wheel last night when I hit a dip that rose too quickly for my wheel to climb before all my weight went behind it. I'm a big guy (300+ lbs), so my wheels need to be able to ...
0
votes
1answer
252 views

What could cause an inflated tire to be “untrue” on a true rim

I just bought a new set of tires (Continental UltraRace 25-622 700x25c) for my bike, which has rims Rigida 28 x 1 5/8 x 1 1/8 - 700c. When I inflate the inner tube (both a Schwalbe 28" 18/28-622/630 ...