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

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3
votes
1answer
186 views

What pressure should I run? Front versus the back wheel?

I assume it is common sense you should run a lower pressure in the front wheel versus the back. I weigh 175 lbs, I have tires with max 120 PSI, what PSI should I run in the front and the back tire on ...
3
votes
1answer
301 views

What is ideal for long distance road bike rides 23mm or 25mm tires?

I keep reading that the drop line for 25mm tires is greater. Obviously the 25mm tires have more volume. Do they have fewer pinch flats? Are they more comfortable, because they create less vibration? ...
4
votes
3answers
82 views

Tire casing appears damaged

The casing of my back tire appears to be damaged. There is one spot where it is torn, and the tire bulges out when the it is inflated. I want to know what causes this so that I don't do the same thing ...
5
votes
2answers
383 views

Does high PSI or low PSI affect the life of a tire?

Is there a method to tell the life of a tire? How can you tell if a tire is going to wear down faster than another tire? I assume puncture resistant tires wear out slowly, but I'm really curious ...
3
votes
6answers
423 views

I cannot go 30 miles without a flat. I can't figure out what the problem is

I have Mavix CXP-12 wheels (20mm). I have relatively new Freedom ThickSlick 23mm Tires on the wheels. I've been using these inner tubes: Meetlocks® 700x18-23c. I weigh 165 lb. I just keep getting ...
1
vote
1answer
8k views

Tire size compatibility, 700x35c or 700x38c for original size 700x37c

I own this bike : speed 2012 ridgeback The tires are worn out and I have decided to buy schwalbe marathon plus (since I often had flat tire due to broken glass on bicycle paths in my town) The ...
2
votes
2answers
422 views

back tire keeps going down

I have just bought a new bike and had it about a month now. I don't really know much about bikes but I do know how to repair an inner tube. I have had one puncture and just bought a new inner tube. ...
10
votes
3answers
2k views

Why are most tyres black?

While looking for new tyres that would fit my bike from a design point of view, it turned out that none of my color wishes could be fulfilled. Most tyres on the market are black, with a handful of ...
8
votes
3answers
5k views

How long is it safe to store new tires before they degrade in quality?

I bought some road tires that were made for flat resistance, but within two months, the sidewalls on both got damaged to the point where I was getting repeated blowouts. I wrote to the manufacturer, ...
3
votes
4answers
373 views

When to replace a tire?

I was repairing a flat on my rear tire today and noticed that the tire has started developing a flat area on the tread (see the photo below, it is the one on the right). The tire is a Continental ...
4
votes
5answers
13k views

difficulty inflating my bike tire

When trying to inflate my bike tire, I pump maybe 5 times then it gets difficult for me to pump because the handle is hard to pump?
1
vote
1answer
114 views

Will the 26“ tyre fit my 25” rim bike?

I have this 2002 Esperia which, and I need to change the tires cause I am getting back to it. The tire dimensions appear to be 25 x 1.90, 50-559. I read a bit about these new and old dimensions ...
3
votes
2answers
194 views

Lower tire pressure on wider rims?

For a given tire width, can you safely run a lower pressure on wider rims? Background: My road bike can only fit up to 23 mm tires due to frame clearance, however my rims are a relatively wide 23 mm....
2
votes
1answer
80 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 ...
1
vote
2answers
118 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 ...
2
votes
1answer
345 views

What's the inner width of my rim?

I just measured the inner width of my rim with a ruler and it seemed to be a hair over 14mm. Looking at the tire sizing chart on Sheldon Brown's site it doesn't have an entry for 14mm inner width ...
5
votes
3answers
159 views

Get a tubeless to seat

It takes a volume of air to seat a tubeless. Even if you lube the tire it takes a volume of air to get it to pop onto the seat. Cannot deliver that volume with my floor pump. At the shop they ...
2
votes
1answer
126 views

What is the middleground between permatube and normal tubes?

I've burst my third tyre in two months on my MTB, each time it's caused by something sharp penetrating my tyre at high speed ripping a big enough hole in the tube causing the slime to leak out rapidly ...
1
vote
1answer
105 views

Inner tube size. [duplicate]

What inner tube can I use for a 700x26c tire? It has a Schrader valve. At the stores I went to I found a 700x25c tube & a 700x28c tube. Which tube would be best since I can't find a 700x26c tube?
1
vote
2answers
266 views

How much pressure can mountain bike tires take?

I am thinking of buying a new mountain bike, but I'm unfamiliar with mountain bikes. That's why I need to be well aware of the pressure a mountain bike can handle. How much pressure can mountain bike ...
-1
votes
2answers
684 views

Why Do the same size tires say they can hold different amounts of air (psi), and does that matter? [closed]

Sadly, my wonderful electra cruiser got stolen on tuesday. I am a college student with no other transportation, i need a new bike RIGHT away, the busses in my town are currently on strike and not ...
2
votes
2answers
106 views

trouble inflating tires

I've watched several youtube videos on inflating bike tires. i have presta valves on mine. When I the top is screwed completely on it works but i'm told this is just pressurizing the inside of my ...
6
votes
5answers
873 views

Can fresh hot asphalt damage slicks?

Today I was riding with my road bike when I suddenly hit a patch of hot asphalt. The day before the one side of the road was already filled with a hard first load, so I didn't think much of riding ...
2
votes
2answers
393 views

Trouble removing a(n old) 700x23c tire

I've been riding an early 90's Italian steel timetrialer (D'accordi TT0.9) for a few months, front tire has a slow leak that needs to be replaced. The problem is that I can't get the bead totally ...
1
vote
1answer
85 views

Tyre popped when going from 26 x 1.95 to 26 x 2.125

My wheel had 26 x 1.95 tyres. I bought 26 x 2.125 thinking it would fit. While fitting the new tyre, it bulged outside at one location and the tube also came out for about 7 inches. The tube is the ...
2
votes
2answers
310 views

Mercier road bike - biggest tire/wheel possible on frame

I have a fixed-gear/single-speed (Mercier Kilo TT; http://www.bikesdirect.com/products/mercier/kilott.htm#specs; http://www.cyclesmercier.com/geometry_tt.html) road bike with 700Cx23 tires; I'm ...
7
votes
8answers
571 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 ...
2
votes
1answer
169 views

What kind of tire will fit a Columbia touring 26 inch bicycle

I have a girls 26 inch Columbia touring bicycle, its old. It needs new tires, on the tires is the size of 26 x 1 3/8 inch. Yet, all tires at Walmart are too small to fit the rim. I even went to a 27 ...
2
votes
3answers
520 views

best tires for Cannondale Bad Boy 4

I'm just getting into biking and last week I just purchased a Cannondale Bad Boy 4 from REI. They still have it in the shop as I'm in the processing of moving and they agreed to hold onto it for me. ...
1
vote
2answers
91 views

Cyclocross tyre patching problems, bulging inwards

I bought a new cyclocross bike, very good very handsome. 2 days ago I rode it on quite a rough road composed only from rocks. Two punctures (slow leaking ones, cause only realised after coming home 2 ...
2
votes
3answers
485 views

My rear disc brake makes noise when I ride fast

I have a full suspension mountain bike with disk brakes. When I ride fast, my rear disk brake starts to make a noise similar to the one you would hear when sharpening a knife. It happens when I don'...
2
votes
1answer
246 views

Need to replace tire on Dahon folding bike

I bought a Dahon Vitesse D8 two years ago and it's lasted extremely well so far. Recently, the rear tire got a puncture and as my tires both looked pretty worn, I thought it might be time to look into ...
5
votes
2answers
359 views

Hole in road bike tire

This is 700x25 continental Ultra Sport II I noticed there are two holes in both tires, and wonder if this is a manufacturing fault, or simply a wear indicator?
5
votes
1answer
1k views

Buying slicks for a cross bike

The whole rim/tire size thing baffles me. I have a Specialized cross bike that has DT Swiss rims (622x 14). The tires are Tracer Sport (700 x 33). I would like to get a pair of slicks for longer road ...
8
votes
1answer
1k views

Water in my back tire

I commute 17 miles to and from work each day on a road bike, and I recently picked up a puncture. This was no problem. However, on my ride to work this morning it was raining rather heavily and there ...
24
votes
7answers
31k views

Am I too heavy for my road bike tires?

I am wondering if bike tires have a weight limit. I have to admit, I am a large guy at 6'3" 250lb (190 cm, 113,5 kg), and I have always had issues with my road bike's tires getting pinch flats. I ...
9
votes
4answers
4k views

How did bubbles form on my tire?

I was riding recently and kept hearing a noise similar to a rock stuck in a tread, but I have no tread. When I got off and inspected the tire, I found these weird bubbles had formed. I have ...
1
vote
1answer
87 views

Max sizing for wheels and tires?

I was given an old 2006 Trek 1000 and I've been working on replacing everything. I just ordered a new Shimano Tiagra 4600 groupset last night and now I need to get wheels and tires. The bike ...
3
votes
2answers
308 views

Thinner tires for my Mountain Bike

I know little about all of this, so, go easy on me. I've got a mountain bike, fairly light in weight and rarely ever used for anything other than road use. The current tires say 58-559 / 26x2.35. Is ...
0
votes
2answers
3k views

What is the difference between a road bicycle tire size 700 x 23c and I 700 x 23 [duplicate]

I've been riding road bikes for years but really wasn't too aware that there appear to be two different tire sizes, for example a 23C and a 23. ( 700 x 23. And 700 x 23c )
0
votes
0answers
42 views

Converting my Giant Roam 3 into more of a road bike, while keeping its hybrid identity? [duplicate]

I am not rich so the budget is as low as possible. I use my bike for pleasure mostly as I am still a teenager. Of course I want speed, so I was wondering how well it would work if I changed the tires ...
2
votes
2answers
66 views

Replacing a 38c tire with 30c

I recently bought an Azor Opa style bike with 28x 1 1/2" (700 x 38c) tires that I want to switch out with something slimmer. Would going down to 30c present a problem for my wheel perhaps?
5
votes
3answers
35k views

How do I determine my wheel size

Would someone explain wheel sizes. If I am not mistaken, the wheels on my Trek 520 touring bike are 700C. There are no markings, and of course, no documentation of any kind. I assume 700 means 700mm, ...
3
votes
2answers
1k views

Is it safe to ride on cracked tyre?

I have a cracked tyre on my Road bike. I think I put it in the gazebo and exposed it to the sun. It's cracking along the tyre wall, in continuous fashion. Would it be safe to ride on those crack ...
30
votes
13answers
24k views

Is it safe to ride a racing road bike in very wet weather?

I'm used to riding on a MTB, but since I've got a new road bike, I'm quite paranoid about the slick tyres. How good are they in wet weather? I'm scared of braking too hard, or even just turning!!
1
vote
3answers
3k views

What do I do if my bike won't pump with an air pump at all?

My bike tires will not pump up at all. I tried forever. I had this bike for a year and then it won't pump at all. I have a pump you stand on and use your 2 hands to pump. At first it was pumping air a ...
0
votes
2answers
4k views

How to tell if a new pair of brake calipers will fit my wheel, tire, and frame?

I have a Takara Kabuto. It has 700x32 tires (I don't really know what that means). I was looking at upgrading the brake calipers. I was looking at these, among others. How do I tell if they will ...
0
votes
2answers
2k views

Can you inflate a completely flat tire?

I haven't used my bike for almost a year and I need to start riding it again, but it appears I have a flat tire. I don't think there's something wrong with the tube cause I haven't used it for a ...
33
votes
8answers
69k views

Which way do I orient my bike tire's tread direction? and why?

I have a mountain bike tire that has stamped on the side something like: <----------front rear-------------> Which seems like a pretty clear indication that the tire should be oriented in one ...
9
votes
1answer
28k views

What does the label on a tire mean?

I went to a bike shop for new tires. I did not know which tires fit on my bike, so I just showed them my bike. When I took a look at the new tires, there was a label at the side, which says: 40-...