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

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2
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1answer
377 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 ...
9
votes
3answers
511 views

How do treads affect traction?

I've read that treads don't affect traction very much. This is why NASCAR cars have smooth tires. But, the road is not clean. They say you can't hydroplane on a bike, but what about a thin patch of ...
3
votes
2answers
107 views

Armadillo's or Kevlar Inserts?

So, I've had at least two flat tires on my way to work. Therefore, I'm tempted to splurge on a pair of Specialized Armadillo's (not the elites...) However, I am not a particularly skilled rider. I ...
7
votes
4answers
2k views

Mountain bike tires vs. road tires - from crushed limestone to pavement

I've had my mountain bike for three summers now and I love it. I bought it for the ability to ride on different terrains and build endurance. Since my primary goal is weight loss and cardiovascular ...
5
votes
2answers
227 views

Are some tires safer than others?

I bought a Bell Road tire from Walmart. Since I haven't exactly had great luck with Walmart bicycle products, I looked up the reviews... not so great. In their defense, they are 1.375, not 1.25, but ...
4
votes
2answers
301 views

Will Slick Tires Work for a Mountain Bike Ridden by a Heavier Rider?

I've owned a Trek 3500 bike (shown below) for 2.5 years now and I like it very much. My bike has the same specs as under the link. It has the XL frame size and 26" wheels with Bontrager AT-550 ...
0
votes
4answers
989 views

Are 32mm tires ideal for a fast commuter bike?

I am considering a faster bike to replace my XC for commuting. I am thinking hybrid/cross/road bike with wider tires. My question is whether 28mm tires are enough or if I should go with 32mm like Trek ...
2
votes
1answer
87 views

Do tire / tube / valve combinations that don't leak air exist?

I'm not clear on why tire pressure decreases over time. I understand that air escapes through the tube. Possibly some leaks through the valve too? In any case, do tire / tube / valve combinations ...
1
vote
2answers
213 views

What is the relationship between tyre pressure and weight?

To give an example of what I'm trying to understand: To accelerate to a given speed or maintain that speed with a tyre pressure of e.g. 100PSI requires a certain amount of energy. If that amount of ...
1
vote
2answers
153 views

Why has my ride changed?

The bike is a Specialized Camber 29, about five months old, from a shop about 220km away. Something feels different in my ride, and I'm wondering what it is. the rear goes sideways in sand much ...
0
votes
2answers
116 views

How do you check your road bike tires for wear? [duplicate]

What is the best way to determine if your tires need to be replaced?
5
votes
3answers
152 views

Is it worth it to buy a bike that comes with puncture resistant tires, or add them later?

Is it better to buy a bike that comes with puncture resistant tires, or get a cheaper bike that comes with worse tires and then get them replaced?
2
votes
1answer
135 views

Bicycle trainer tyre - understanding the sizing

The weather where I live is very bad sometimes. I was thinking of buying either a magnetic or fluid trainer or rollers. I read that the tyres wear out quickly on those and one should use specific ...
1
vote
2answers
112 views

The tire got flat the third day of changing it

I'm new to bikes. I got a used bike that had all the tires and tubes broken so I had to change them all. I changed the tires and the tubes completely two days ago, then I went cycling the next days. ...
2
votes
2answers
297 views

What PSI for downhill bike tires used for road biking?

I bought a downhill bike from a friend awhile ago when I was considering trying out downhill biking. Currently, I want to use it to do some road biking. The tires read 29 PSI 2 bar, Max of 80 PSI. I ...
7
votes
3answers
201 views

Riding a bike on a tilted road

I have a dutch city bike (similar to the one shown below) with broad tires that I use for commuting short distances. When traveling on roads with a slight tilt (left to right, perpendicular to the ...
1
vote
1answer
68 views

How to select a tube?

Hi I got a used bike and my experience with bikes is very limited. The tires and tubes are all broken so I need to get new ones. I found these tires: ...
2
votes
2answers
175 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
1
vote
1answer
260 views

spoke end poking out of rim, thinking it may be reason why Im getting flats

When I run my hand on the inside of the rim, I can feel a protrusion of the spoke end going into the rim. Is that normal? I have been getting about 5 or 6 flats, and they sometimes occur on the same ...
0
votes
2answers
187 views

Tyre has a 'dip' in it after fitting to rim

I'm riding with Continental Gatorskin/Hardshell tyres and they are quite tough to get on the rim. After attaching the tyre and inflating I notice there is a dip in the tyre at the point where I had ...
1
vote
0answers
123 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 ...
3
votes
3answers
308 views

Tyre Rubber Classifications

I was looking through a bike catalogue at one of the high-end road bikes (a $6000 Giant Propel) and I couldn't help but notice that this bike is advertised with specific tyres for front and rear ...
1
vote
2answers
256 views

Is it ok to mix 23 and 25 tyres

My road bike comes with 25 tires. They both seem to be slick smooth ones with little resistance. Recently I had couple of punctures in the rear and I decided to change the rear tire to a 23 which ...
0
votes
1answer
139 views

Replacing 28in wheels with 26in

I'm told that when touring (carrying a big load) you're much better off to have 26" wheels than 28". But most second-hand bikes seem to come with 28". Is it possible to replace the larger 28" wheels ...
4
votes
1answer
257 views

What is the lifespan of a typical road tire?

Assuming no accidents, cuts, or other major traumas, what is the useful life of a typical decent-quality (maybe a Schwalbe Marathon as reference?) road or commuting tire, measured in distance traveled ...
2
votes
3answers
533 views

Tire Gauge to Avoid Over-Inflation

I just purchased a tire floor pump with a gauge for my bike. The gauge seems to start off at 0 PSI when I connect the pump to the tire. So, do I need to use a separate tire gauge to first measure the ...
2
votes
2answers
76 views

Should I check puncture-resistant tires for glass etc.?

I'm running 700x35 Marathon tires with their Greenguard puncture-resistance layer (not as thick as the Marathon Plus's, but it's there). Should I check the outside of the tires for bits of glass or ...
1
vote
2answers
223 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 ...
7
votes
5answers
1k 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 ...
3
votes
5answers
1k 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 ...
0
votes
1answer
1k 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 ...
0
votes
2answers
146 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
vote
3answers
167 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 ...
1
vote
2answers
2k 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 ...
1
vote
3answers
609 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
2k 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 ...
1
vote
1answer
457 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?
2
votes
1answer
302 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
2answers
377 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.
0
votes
1answer
323 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 ...
2
votes
3answers
225 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 ...
0
votes
1answer
355 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?
1
vote
1answer
87 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 ...
1
vote
4answers
1k 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
132 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 ...
3
votes
2answers
453 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 ...
2
votes
4answers
2k 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 ...
7
votes
3answers
306 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 ...
2
votes
1answer
743 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 ...
8
votes
3answers
1k 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 ...