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

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1answer
78 views

What is a cheap puncture-proof tire against tackweed?

Lately, each time I ride my bike around the Bay Area, I get tackweed onto my wheels where upon one or both of them flatten overnight. Most of those are five minute rides to my local library. So, I ...
26
votes
4answers
16k views

How do I know when to replace my tires?

The treads on my road bike's 28C tires are almost completely gone—they only persist along the shoulders of the tire. Do the treads matter? What is a good indicator of when the tire as a whole needs ...
1
vote
3answers
181 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 ...
5
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3answers
468 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 ...
0
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1answer
74 views

What are the Pros/Cons of a 2.1 vs 2.3 wide Mountain Bike Tire

Time for new Tires on my Mountain bike. I'm currently running a 2.1 (26"). What are the benefits of the 2.3? I'm guessing: you can run it at lower pressure and get some of the benefits of a ...
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0answers
46 views

Bicycle wheel size? [closed]

This is my first time trying to buy a tire for my mountain bike. 200cm all around. 57cm in the rim diameter. And the wheel diameter is around 63 cm. I want to by the tire from Canadian Tire and ...
12
votes
4answers
697 views

Do Kevlar Belts really offer puncture protection?

My local bicycle shop is offering "premium kevlar belt tyres" and are "extremely puncture proof" how much of this is true? Does this "kevlar belt" offer good puncture protection? What does this ...
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2answers
56 views

new tires for schwinn phocus 700C

Was wondering what heavy duty tires someone would recommend. I have been using stock tires and they have blown a leak a number of times in the last six months. Love the bike, just want more sturdy ...
1
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3answers
130 views

Do I have too much chafer strip showing after fixing a puncture?

I have had two innertubes explode on me on my bicycle, on the same wheel and tire. The first time I was inflating my inner tube after aquiring a puncture. On this occassion I was pumping my tires ...
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6answers
10k 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 ...
6
votes
1answer
139 views

How to remove dried vulcaniser from cotton clothes?

Months ago I changed a tyre on my utility bicycle in street clothes. An unfortunate set of vulcanising stains are now on street clothes I'd like to wear more often. How do I remove dried vulcaniser ...
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2answers
145 views

Will my bike hold my weight?

I'm pretty heavy (~150kg/330lbs) but being fond of cycling in the past, I decided to buy a bike, and maybe try to lose a few kilos with it. I didn't have too much time for looking around, so I bought ...
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3answers
128 views

Cycle tyre and tube burst

I pumped my cycle front tyre to 105 psi (700*23c) 5 days back and cycled some 60 km on the same day without any punctures. Afterwards I parked the cycle in my bedroom for the last 5 days (due to ...
11
votes
4answers
645 views

How tight should my front quick release lever be?

I'm referring to my first new bike front Tyre/quick release lever as shown. The picture is picked from Internet How can I know whether I have locked my front QR lever correctly? Neither too tight ...
2
votes
1answer
122 views

What size of slick tire should I buy?

I purchased a mountain bike and I ride on the road most of the time and I was looking at slicks for my bike. My tire size that I have now is 26x2.00 and the rims. I have on are AT-550 26inch what size ...
1
vote
1answer
86 views

Can it fit the rim i have? [duplicate]

Will a 26x1.50 or 26x1.25 slick fit on a rim that I now have with a measure on the tire 26x2.00 and the rims I have are 26inch bontrager AT-550?
1
vote
2answers
109 views

Am I too heavy for my Trek 7200 multitrack?

I was wondering if I'm too heavy for my bike. I'm about 260lbs (118kg). I keep getting flats.
12
votes
4answers
5k views

700 wheels on bike made for 27" wheels

I just bought an older road bike with 27" wheels. I am curious if I can mount 700 wheels (typical road size) on it. Has anyone ever done this? The main reason I am interested in doing this is so ...
0
votes
1answer
92 views

Trek 3700 XC Hardtail - looking to convert to temp road bike [duplicate]

Bike Description Front suspension, knobby tires Frame: Aluminum w/semi-integrated head tube, bi-oval down tube w/integrated gusset, rack & fender mounts, disc compatible dropouts, replaceable ...
3
votes
3answers
970 views

Air compressor to fill up to 60 PSI

I am looking for an air compressor and wish to get one which is not under or over powered. I am looking at one in a catalogue which has the following attributes: 40 Litres/min free air delivery 1hp ...
1
vote
4answers
396 views

Anti-puncture options

I ride my bike to work. But every time I get a flat tire, my schedule is messed up because bike shops are not easily available on my town. Is there any other option besides puncture-proof tires?
0
votes
1answer
200 views

With a 700c X whatever tire, does the other number really matter?

I'm trying to buy a new tire off of a website but they offer 700cX32c and others like that but are they all the same size or not?
2
votes
4answers
331 views

Weight of wheels vs. weight of tyres

On my touring bike, about a year ago, I upgraded my tires from the low-end stock ones to better lighter ones. The weight gain was 205g per tire so 410g on the whole bike, plus a few grams on the tubes ...
3
votes
3answers
177 views

How to mark a tire

I've got a few sets of tires for my road bike, some of which are the same type of varying ages, others have been used on the turbo trainer, or have a suspected sharp object in them which I could never ...
3
votes
2answers
2k 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
5answers
770 views

Do tube protectors increase rolling resistance or just add weight?

I have been experiencing a lot of flats lately (proportional to the increase in time/distance I have been doing), so I am thinking of adding a tube protector (e.g., one of these) to each tire. Will ...
5
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5answers
519 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 ...
1
vote
1answer
68 views

Commercially available sprung tyres/wheels?

I was wondering if anyone knew of any commercially available sprung tyres or wheels. I'm talking about wheels that take do the shock absorption instead of a pneumatic tyre. This is all I can find at ...
7
votes
3answers
3k views

What is the widest tyre that you can get away with, on a standard road bike?

In general, what is the widest tyre that you can get away with, on a standard road bike (with dual pivot brakes)? Edit: I have a Campagnolo Eurus wheelset.
17
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5answers
27k views

Can I use a gas station pump on a bike tire?

Someone pointed out that it may be risky, and it might not have the right kind of nozzle, but I don't have a bike pump at the moment. Does anyone else ever do this?
0
votes
1answer
71 views

How to alter a sports cycle to avoid wheel bend

I have a Hero Hawk Nu-Age, which I bought it two years back. In India, this cycle was mostly used for sports. As this cycle has very thin wheels 27 * 1-1/4, I could not ride this on bumpy roads for ...
2
votes
2answers
159 views

Using a much heavier rear tyre than in the front

For the last 3 years I've been using light (800grams) tyres front and rear. Since I've been having too many rear tyre pinch flats (tried everything: high PSI, tubeless, heavy duty tubes) I'd like to ...
7
votes
3answers
223 views

Is this a puncture protection thing?

I got a vintage bike to commute with (I wanted a heavy one for the exercise) and I was hoping for a flat so I would have an excuse to spend money on a puncture resistant street tire to replace the ...
31
votes
13answers
14k 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?
1
vote
1answer
188 views

Does valve stem diameter matter for my rims?

Got an old bike that I restored some time ago, and the original tubes literately burst on me today (I knew I should have replaced them long ago, they are probably 10 years old) and now I have some ...
14
votes
3answers
5k views

What purpose do the rubber 'hairs' have on new tyres?

Up close you can see at least three 'hairs' of rubber from this picture from the side of my tyre: Why do they exist? I've heard they are just a bi-product of the manufacturing process.
6
votes
3answers
495 views

Does tire pressure matter when the bicycle is in the trainer?

I keep my bicycle on a trainer in a 'cool' room during the winter months. The tires don't seem to maintain pressure after days of non use. Does this matter, and should I be checking/filling the ...
2
votes
1answer
149 views

Why no tires made of Vibram?

Top-notch mountain trekking shoes are advertised as having Vibram soles. They are supposed to be durable and have superior traction on wet stones, mud etcsetra. This is what we want from na mtb tire, ...
0
votes
2answers
226 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 ...
19
votes
1answer
566 views

What are the effects of completely filling tires with water instead of air?

As absurd as it sounds, I was curious as to how a bike would handle with the front tire filled with water. I wonder if steep hill climbs would be easier (particularly for a mountain bike): 1) to ...
6
votes
1answer
127 views

Do studded tires make less than ideal railroad crossings worse?

I'm considering getting studded tires, but I'm concerned about a portion of my commute. I go down this road both directions: 39° 40.468', -84° 14.340'. This 2 lane narrow road has 2 railroad ...
5
votes
4answers
409 views

What are the advantages of filling tires with Nitrogen instead of air?

I am completely new to riding bikes and know that are usually filled with air but nowadays some people fill them with Nitrogen instead. I don't know why they prefer to fill their tires with nitrogen ...
7
votes
3answers
435 views

Do road tubeless tyres lose air faster?

I just replaced my rear wheel with a road tubeless (Bontrager RL TLR). Was lucky to have the bike shop installed the tyre, took two blokes to put it on the rim. Anyway, my second ride was a couple of ...
2
votes
3answers
1k views

Can I put a road bike tyre on a mountain bike? [duplicate]

I am finding it difficult to ride a Mountain bike, I feel that it may be more comfortable to change the tyre to that of a road bike, which are thinner in size. Please advise if I can do so.
1
vote
2answers
144 views

Can a 2012 Carrera Vulcan run 26 x 2.25 tires?

I'm looking to replace my tires. Currently I have the standard 26x2.1 tires that came with the bike and am looking to replace them with a set of 26x2.25, could this be done?
2
votes
1answer
115 views

Tire feedback when cornering

So I bought a Continental Der Kaiser (similar to this one) and the peripheral knobs are pure magic. When I shift my weight slightly to the side, the central thread disengages and the peripheral ...
10
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2answers
342 views

What's the best technique for removing a tyre from the rim?

This question talks about fitting a tyre back onto a rim, but I'd like to know how to get the tyre off in the first place. Especially if the tyre is very tight, or the dip in the middle of the rim ...
3
votes
4answers
298 views

What tire should I put on my road/commuter bike to prepare for a New York winter?

I have a road/commuter bike (Specialized Tricross) I use for commuting daily in New York City. The roads here can be quite harsh, with everything from leaves and branches to glass and potholes. The ...
3
votes
4answers
331 views

What are the consequences of riding a bicycle tire backwards?

When putting a new tire on a bicycle, there is usually a note somewhere on the sidewall showing the direction the tire is supposed to rotate when you are on the bicycle. However, the last time I ...
2
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2answers
120 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 ...