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

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0
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1answer
468 views

What could cause an inflated tire to be “untrue” on a true rim

I just bought a new set of tires (Continental UltraRace 25-622 700x25c) for my bike, which has rims Rigida 28 x 1 5/8 x 1 1/8 - 700c. When I inflate the inner tube (both a Schwalbe 28" 18/28-622/630 ...
4
votes
1answer
131 views

Tubeless tire looses air through weld of rim

I have the DT Swiss X1700 Spline 29″ with the Schwalbe RockRazor 2.35" PaceStar on my pre built Bike which are tubeless. After about 100 km the tire now looses air through the weld very fast. I ...
19
votes
5answers
80k 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?
29
votes
9answers
95k views

How to get a very tight tire back on the rim?

I needed to change the tube as a consequence of a flat tire and I am in the situation that it's just impossible to put the tire back on the rim. In almost ten years of experience with road bikes and ...
1
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2answers
187 views

Will electric heaters degrade bicycle tires?

Is it safe to store bicycle tires near electric heaters? I'm wondering if the heat will degrade the rubber somehow. More specifically, I'd like to store my bike near the electric baseboard heaters ...
8
votes
2answers
1k views

Is rubber cement in stationery stores the same as in tire patch kits?

Is the rubber cement that you can buy at the stationery shop: the same as what's in the little tubes of cement that come with your patch kit:
10
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7answers
6k 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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4answers
224 views

How much of a bruising can a MTB take?

I recently purchased my first MTB, a Rockrider 560, and I'm curious to know how much a roughing up can it take? For example, can I ride up and off kerbs without wrecking the tires? What about bunny ...
0
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1answer
118 views

flat tyre even after replacing the tube? [duplicate]

So I bought a used Specialized Sirrus 2011 model as my first bike (so I'm new here) recently and I love riding it, light weight, smooth handling and comfy to ride. Rear wheel was flat when I bought it ...
15
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6answers
1k views

What is a good way to keep my tires from going flat easily?

Title says it all, how do I keep my bicycle tires from going flat easily? I live in an area with a lot of sharp stuff (think glass shards, nails, cactus, etc)...
4
votes
1answer
165 views

Am I unscrewing my pump incorrectly?

I just bought a new mini pump (with a foot-stand and pressure gauge to get up to about 100psi), however, in order to get a good seal you have to screw the pump-head onto the valve. The issue is, ...
25
votes
8answers
47k views

What pressure should I run my Mountain Bike tires at?

Should I run my mountain bike at the suggested PSI/Bar on the tire/rim? Or should I run it a bit lower? Or is it more about conditions? Should I run lower if I am running on softer terrain?
0
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0answers
48 views

proper tube size for bicycle tire [duplicate]

My bicycle tire specification is 40-622 (700x38C-28x1 5/8 x 1 1/2), would you please tell me the right size of the proper inner tube?
4
votes
4answers
268 views

23 mm combined with 25 mm tyre in racing

I met a guy who mixed 23 and 25 mm for his front and rear tyre respectively. Now thinking about it, I believe it's a pretty good idea since the rear wheel bear a higher proportion of the rider's ...
13
votes
5answers
3k 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 ...
6
votes
1answer
216 views

Can tubes be used in tubeless rims as well as tires?

I've gotten a bike with very nice tubeless wheels, however I have little experience with fixing or replacing tubeless tires/wheels. I would much prefer to be able to put a regular mountain bike tube ...
8
votes
4answers
502 views

How seriously should I take the maximum pressure rating of my cyclocross rims?

I own a very nice cyclocross bike that I use for daily commuting. It is currently fitted with relatively wide cyclocross tires (Continental Cyclocross Race 35-622) that I inflate to 4 bar (58 psi). ...
12
votes
4answers
4k views

How can I repair a tyre with a deep cut?

I have some foldable racing tyres, still with plenty of tread but with some small cuts through the tread & cloth. Can I do anything to them or are they destined for the bin?
2
votes
2answers
86 views

Slimmest tyres for semifat rims

I am interested in getting a bike with 27.5+ wheels (that could features tyres up to 3.25". I'd like to know what is the thinnest tyre I could mount on such a wheel in case I want to have more speed ...
44
votes
13answers
16k views

What type of tires can prevent goatheads?

We have a lot of goatheads1 in our area, and they have a tendency to do something like this to bike tires: Unfortunately, I ride a road bike (specifically a Kona Dew), so I have much smaller, ...
7
votes
2answers
346 views

Do I need to replace my rims to move up to a larger width tire?

I have a 1965 Schwinn Speedster that has 26 x 1-3/8 rims and tires.i have more than enough room to run larger width tires, I'm just not sure if I need to replace rims?
5
votes
3answers
1k views

Presta valve won't let air in on a new tube

During a ride I had a flat tire and used a brand new Joe's tube with sealant. For the first time in many years of riding i was not able to pump air in. It appears that the pin inside the valve won't ...
4
votes
1answer
512 views

Inflated tire partially slipped off rim, can I fix without deflating?

There is a ~3" portion of my back tire that is no longer within the rim walls on one side. It's an older bike but in fairly good condition. The tires had just been replaced by a professional and I put ...
3
votes
2answers
166 views

Tire Tread Worn out Very Fast

9 months ago I bought a Cruiser bike for riding around my neighborhood, and over that time the tread has worn out completely to the point you can see the cream surface that the interior of the tire ...
3
votes
2answers
1k views

Is there any other size tires that will fit on a 27 x 1 1/4 rim?

I live in a city with plenty of cycling shops, but they are all out of 27 x 1 1/4 tires. Each shop gives me a different answer about the possibility of using a different size of tire. Can I fit a ...
3
votes
4answers
4k views

Will a 650x23 tire fit on my 26" rim?

I have an MTB that I have been riding in the city for many years. As such, slick tires suit me well and I have been using a set of 26x1.25 tires for the last 3-5 years but they are starting to show ...
5
votes
4answers
518 views

What size innertube for 35mm tires? (or: get innertubes on the big side or small side?)

If you had 35mm tires (Schwalbe marathon supremes to be specific) would you get innertubes speced as 28-35mm or 35-42mm? Or whichever is cheaper?
3
votes
2answers
126 views

Snow tires for H Plus Son SL42?

I'm riding fixed gear with H Plus Son SL42 rims and Schwalbe Lugano. I'm thinking about changing my tires to be able to ride in snow/wet roads, but in the H Plus Son site I don't see the maximum size ...
3
votes
3answers
273 views

Road bike tires that are ok on sand

I've got an old Trek 1200 road bike circa 1995 with down tube shifters and mostly original components. These days, I mostly ride it on my summer vacation on Martha's Vineyard where most of the riding ...
3
votes
1answer
176 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
285 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
81 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
347 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
394 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
7k 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
365 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
340 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
11k 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
106 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
177 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 ...
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
110 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
325 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
158 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
119 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
95 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
260 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
594 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 ...