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

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8
votes
4answers
429 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
85 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
331 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
942 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
502 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 The tires had just been replaced by a professional and I put ...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
158 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
913 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
446 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
122 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
253 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
172 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
263 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
319 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
389 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
6k 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
340 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
326 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
10k 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
96 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
166 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
79 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
104 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
315 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
157 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
109 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
86 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
258 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
532 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 ...
2
votes
2answers
100 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
124k 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
827 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
386 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
83 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
252 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
494 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 ...
6
votes
8answers
3k views

How to stop dealing with flat tires?

I have a very nice fixie bike, which I keep suffering from flat tires. I live in Bogota which is a city full of potholes in the road. I have been examining options to implement in order to have less ...
2
votes
1answer
131 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
386 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. ...
3
votes
2answers
12k 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
2answers
85 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
398 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
181 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
284 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 ...