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

learn more… | top users | synonyms (3)

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 ...
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?
3
votes
1answer
720 views

Alternative options for Trek FX 7.1 brakes

Around four months ago my parents bought me a Trek FX 7.1 for my birthday while I was at work. At first I was fairly excited and happy with it over my old Supercycle which served me well for the past ...
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 ...
7
votes
7answers
13k 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
7k 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: ...
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
529 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 ...
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 ...
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
4answers
2k views

Correct inflation pressure for old road bike

I have an old Fuji road bike that I got a garage sale a while back. It's probably from the 70s or 80s. This summer, I've been trying to fix it up into good condition for some longer-than-usual rides ...
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 ...
28
votes
4answers
21k 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 ...
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 ...
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
1answer
455 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
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.
12
votes
4answers
6k 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
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 ...
3
votes
3answers
1k 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 ...
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?
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 ...
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 ...
4
votes
2answers
6k 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
993 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
votes
5answers
780 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
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 ...
7
votes
3answers
4k 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
votes
5answers
43k 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
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
452 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
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 ...
34
votes
13answers
20k 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?
2
votes
1answer
740 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
10k 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.
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 ...
2
votes
1answer
185 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, ...
2
votes
2answers
295 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 ...
7
votes
1answer
147 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 ...
9
votes
3answers
1k 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 ...
3
votes
3answers
11k 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
296 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
160 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 ...
11
votes
2answers
703 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 ...