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

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2
votes
2answers
104 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 ...
11
votes
7answers
127k views

How to inflate a tire with a Presta valve?

My new bike has these thin tires with a type of valve I haven't usedbefore. I searched online and found out it's called a Presta valve, and it's pretty common and popular. I'm finding it annoying and ...
6
votes
5answers
831 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
389 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
282 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
524 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
150 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
421 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
87 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
438 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 ...
2
votes
1answer
202 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
320 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
30k 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
82 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
271 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
2k 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
63 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
33k 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
23k 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
2k 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
3k 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 ...
32
votes
8answers
67k 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 ...
7
votes
1answer
26k 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: ...
3
votes
3answers
116 views

Tubular tire on hooked rim

I just bought a new (second-hand) bike (Orbea Asphalt sport) and I was looking at the tire and found out it was a tubular tire, a Continental Grand Prix, but on the sides you can read 'only mount on a ...
2
votes
1answer
1k views

Tube sealant vs. tire liners vs. puncture-resistant tires — which best prevents flats?

Clarification: I am not asking for a solution to punctures, or about the nuances of ride quality with the various solutions. I am asking whether one method of reducing punctures has been proven ...
1
vote
4answers
126 views

Electronic bike keeps getting flat tire on the back

A month ago, I got my first flat tire on the back tire on my electronic bike and I have fixed it, it was a Nail. Yesterday I got it again, it was a hole in the whole tire, so I changed the tire and ...
3
votes
1answer
343 views

Presta valve top screw missing

I am new to bikes and I realized the back tire valve is missing the top part of the valve , I inflated it but when I unscrew the pump it completely deflates. Can I buy that "screw" or I have to ...
5
votes
4answers
593 views

What kind of bike should I get to accomodate me?

I’m a plus sized female (about 135 kg, 295lb, 5'7") from NYC and I’m looking to get into bike riding again. I haven’t ridden a bike since I was about 12 years old and I loved it. I’m looking to ...
14
votes
2answers
40k views

how to choose inner tubes

I've always bought 700x28/38 Specialized inner tubes for my bike, because that was what I was told fitted. But what do those numbers mean? How do I know that a specific inner tube will fit my bike?
7
votes
1answer
1k views

Can I fit road tyres on a cyclo cross bike?

I've been considering purchasing a Boardman Pro CX Cyclocross Road Bike Large 2010. (Broken link replaced with Google search) The spec says the wheels are 700C and that it comes with 700 x 35C tyres. ...
4
votes
3answers
264 views

Fundamental principles of tire friction for off-road biking

This is a two-part question. I've been watching various videos and getting various advice about mountain bike cornering. My impression is that all of the advice cannot be true, because the advice, ...
3
votes
1answer
340 views

What tools do I need to carry when riding tubeless?

I'm thinking of getting a pair of tubeless ready wheels for riding on the road. I've never ridden tubeless and was wondering what tools and equipment I need to carry to fix a flat? Normally, while ...
2
votes
2answers
405 views

Using a wider inner tube

I am switching from 700cx40 to 700cx32. I have a bunch of inner tubes that I bought for the old tires and are in the 40mm range, but I don't know anymore what the range is for each (I didn't keep the ...
2
votes
2answers
693 views

Same tube for 23mm and 28mm tires?

I like to change my tires with the Continental 4000S II 28mm width tires. Do I need new tubes for the wider tires or can I use my old ones from my 23mm tires?
10
votes
4answers
927 views

How can one prevent a tube from sticking to the inside of a tire?

I was cleaning my cruiser today, and as part of that I removed the tires from the rims to give them a good scrubbing. As sometimes happens, the tubes were stuck to the insides of the tires. (This also ...
0
votes
4answers
112 views

Cord showing near bead

What could be causing this? Tires are about 200 miles old. Used almost exclusively on smooth, cleaned asphalt. Sometimes gravel. Also - is the tire still safe?
0
votes
1answer
353 views

wide rims/narrow tyres danger?

I've got a set of fairly wide road tyres (32c) on my charge plug. I'm looking to move to 23c. My current rim (inside) width is 22mm I've heard of some dangers of narrow tyres on wide rims, but no one ...
-1
votes
2answers
75 views
0
votes
1answer
87 views

Tyres for puncture resistance for mountain biking on rocky dry terrain (folding & lightweight)

I need a tyre that is really durable, puncture resistance, folding, lightweight and good for rocky (sometimes loose) and dry terrain. I work as a guide in Georgia (Caucasus) and my tyres wear out too ...
0
votes
0answers
68 views

Repeated rear flat on a Trek 4300 started this season only!

This season only started getting a lot of flats in my back tire (riding the same Trek 4300 mountain bike for past 6 years and never had this issue). In last 7 days had 3 flats - put new tube yesterday ...
4
votes
1answer
291 views

Road Bike Tire Throwing Rocks

I recently purchased a road bike after having ridden a dutch style bike for over a year and a half. The roads that I ride on have the usual gravel and dirt on them but every now and then my road bike ...
0
votes
1answer
280 views

Tyre replacement for Rockrider 300

I have a rockrider 300 which has tyre measurements as 26*2.0 and tube measurements as 26*1.75-26*2.12. According to the catalog they are semi-slick tyres. I want them to be even slicker. I have ...
3
votes
3answers
454 views

Should I get wider tyres/tires for my tour if I'm not going to go off-road?

I'm going to do a ten-day long tour down the west coast of New Zealand. I'll have some luggage in rear panniers, but no tent (staying with friends and in backpackers accommodation). There'll be a fair ...