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

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9
votes
1answer
28k 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: 40-...
3
votes
3answers
122 views

Tubular tire on hooked rim

I just bought a new (second-hand) bike (Orbea Asphalt sport) and I was looking at the tire and found out it was a tubular tire, a Continental Grand Prix, but on the sides you can read 'only mount on a ...
1
vote
4answers
127 views

Electronic bike keeps getting flat tire on the back

A month ago, I got my first flat tire on the back tire on my electronic bike and I have fixed it, it was a Nail. Yesterday I got it again, it was a hole in the whole tire, so I changed the tire and ...
3
votes
1answer
389 views

Presta valve top screw missing

I am new to bikes and I realized the back tire valve is missing the top part of the valve , I inflated it but when I unscrew the pump it completely deflates. Can I buy that "screw" or I have to ...
5
votes
4answers
640 views

What kind of bike should I get to accomodate me?

I’m a plus sized female (about 135 kg, 295lb, 5'7") from NYC and I’m looking to get into bike riding again. I haven’t ridden a bike since I was about 12 years old and I loved it. I’m looking to ...
14
votes
2answers
42k views

how to choose inner tubes

I've always bought 700x28/38 Specialized inner tubes for my bike, because that was what I was told fitted. But what do those numbers mean? How do I know that a specific inner tube will fit my bike?
7
votes
1answer
1k views

Can I fit road tyres on a cyclo cross bike?

I've been considering purchasing a Boardman Pro CX Cyclocross Road Bike Large 2010. (Broken link replaced with Google search) The spec says the wheels are 700C and that it comes with 700 x 35C tyres. ...
4
votes
3answers
276 views

Fundamental principles of tire friction for off-road biking

This is a two-part question. I've been watching various videos and getting various advice about mountain bike cornering. My impression is that all of the advice cannot be true, because the advice, ...
3
votes
1answer
361 views

What tools do I need to carry when riding tubeless?

I'm thinking of getting a pair of tubeless ready wheels for riding on the road. I've never ridden tubeless and was wondering what tools and equipment I need to carry to fix a flat? Normally, while ...
2
votes
2answers
525 views

Using a wider inner tube

I am switching from 700cx40 to 700cx32. I have a bunch of inner tubes that I bought for the old tires and are in the 40mm range, but I don't know anymore what the range is for each (I didn't keep the ...
2
votes
2answers
793 views

Same tube for 23mm and 28mm tires?

I like to change my tires with the Continental 4000S II 28mm width tires. Do I need new tubes for the wider tires or can I use my old ones from my 23mm tires?
10
votes
4answers
963 views

How can one prevent a tube from sticking to the inside of a tire?

I was cleaning my cruiser today, and as part of that I removed the tires from the rims to give them a good scrubbing. As sometimes happens, the tubes were stuck to the insides of the tires. (This also ...
0
votes
4answers
112 views

Cord showing near bead

What could be causing this? Tires are about 200 miles old. Used almost exclusively on smooth, cleaned asphalt. Sometimes gravel. Also - is the tire still safe?
0
votes
1answer
386 views

wide rims/narrow tyres danger?

I've got a set of fairly wide road tyres (32c) on my charge plug. I'm looking to move to 23c. My current rim (inside) width is 22mm I've heard of some dangers of narrow tyres on wide rims, but no one ...
-1
votes
2answers
76 views
0
votes
1answer
87 views

Tyres for puncture resistance for mountain biking on rocky dry terrain (folding & lightweight)

I need a tyre that is really durable, puncture resistance, folding, lightweight and good for rocky (sometimes loose) and dry terrain. I work as a guide in Georgia (Caucasus) and my tyres wear out too ...
0
votes
0answers
71 views

Repeated rear flat on a Trek 4300 started this season only!

This season only started getting a lot of flats in my back tire (riding the same Trek 4300 mountain bike for past 6 years and never had this issue). In last 7 days had 3 flats - put new tube yesterday ...
4
votes
1answer
296 views

Road Bike Tire Throwing Rocks

I recently purchased a road bike after having ridden a dutch style bike for over a year and a half. The roads that I ride on have the usual gravel and dirt on them but every now and then my road bike ...
0
votes
1answer
304 views

Tyre replacement for Rockrider 300

I have a rockrider 300 which has tyre measurements as 26*2.0 and tube measurements as 26*1.75-26*2.12. According to the catalog they are semi-slick tyres. I want them to be even slicker. I have ...
3
votes
3answers
460 views

Should I get wider tyres/tires for my tour if I'm not going to go off-road?

I'm going to do a ten-day long tour down the west coast of New Zealand. I'll have some luggage in rear panniers, but no tent (staying with friends and in backpackers accommodation). There'll be a fair ...
1
vote
1answer
61 views

information about tubes?

okay, so i ride 20 x 2.4 tires that have a max psi of 110. last night my tire EXPLODED! the shop i buy my stuff from is closed for the rest of tonight and tomorrow and im going to the bmx park ...
0
votes
2answers
153 views

Did I buy the right mountain bike?

So I recently bought a 2014 Specialized hardrock 26" disc XC hardtail. I already taken it out on the trails. I've done research and found out that cross country bikes have less travel than all-...
0
votes
2answers
206 views

Why is the tube too long? [duplicate]

My current tube was badly pierced by a screw in the street, so I wanted to replace it with a new one. The tire is a Continental 32 - 622 (28 x 15/8 x 1 1/4 - 700 x 32c), so I bought a 28" tube, ...
5
votes
6answers
6k 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 ...
0
votes
2answers
903 views

Using a 700x23 tire on my wheel (which currently accomodates 700x25)

I have Mavic Reflex 622 x 13 (700c) wheels which currently hold 25mm tires. Can I use 23mm tires on them?
0
votes
1answer
55 views

Tire direction on Miami Sun tricycle

The tires on my Miami Sun tricycle have chevrons that point in the opposite direction and the label on the side wall which reads drive direction. Do I align the tires using the chevron or the arrow ...
0
votes
4answers
218 views

Air Pressure on wheels [closed]

Does the perfect air pressure is related to the performance of bikes? If yes, what is the exact amount of pressure required on MTB, Hybrid, City Bikes and BMX?
2
votes
2answers
471 views

Exposed cord on bike tire - replace?

The gash is about 3 inches long. Should I toss the tire or should I keep it?
4
votes
1answer
1k views

What kind of portable pump should I carry when riding on a fat bike?

However, I just got a fat bike with 4.5in tires. I know that my portable hand pump takes a long time to pump mountain bike tires due to it being optimized for high pressure / low volume. What type of ...
6
votes
2answers
4k views

Can oil/grease damage tires?

I've noticed a small puddle of light oil beneath the rear wheel of our Rohloff-equipped tandem. I'm told that a small amount of leakage is normal and I'm not worried about that. The issue is that a ...
4
votes
3answers
295 views

After fall bicycle feels really slippery

I fell pretty bad this winter, and after that (even now without a trace of snow where I live) I feel the bike really slippery, mostly the front wheel. Riding on slightly uneven surfaces makes me feel ...
1
vote
3answers
160 views

Steel rims responsible for slicing tubes?

I have an old Giant dutch bike and it has steel rims. Since I'm a big boy I felt that the 60PSI on the tyres is not enough and pumped my tyres to the maximum of 85PSI which is what my Schwalbe ...
1
vote
1answer
99 views

Tyre size and Turbo Trainers

Are there any advantages in having a 700x25 tyre over a 700x23 when using a cycle trainer? If you are "training", resistance is surely not a huge deal breaker. I assume cycle trainer tyres last a ...
0
votes
1answer
373 views

What is the cause of earlier rear wheel lock-ups in the wet?

I have faith in Sheldon and Jobst's arguments about hydroplaning. I do not understand the action of a wheel locking up (entering a skid), other than the intuitive level of braking ~> locks up / doesn'...
1
vote
4answers
4k views

Can I replace the 32 mm tires on a Trek 7.3 with 35 mm tires?

When I bought a Trek FX 7.3 instead of the 7.2, the bike dealer told me that the tires were the same. They looked narrower, but I thought it was just that I was used to my other bike. I found out ...
11
votes
8answers
5k views

Is it possible to glue or patch tire sidewalls?

This morning I discovered that my commuter folding bike had a bad flat tire, and I ran out to buy a new tube, no problem. I didn't notice until after I'd changed the tube that the tire sidewall was ...
5
votes
2answers
29k views

Deformed/uneven/bumpy wheel/tire/tube, how to diagnose or repair?

My bike has a deformation in the rear wheel, almost surely not due to the rim. At some point the tire has a "valley", causing it to bump instead of rolling smoothly. I'd like to understand if I have ...
3
votes
2answers
346 views

Front tire skidding, resulted in a crash, any advice?

I have been cycling my whole life, and for about a year I have been doing 25km a day, without any problems. I got new Vittoria Rubino 23s tires a few weeks ago and I had no problems for 3 weeks since, ...
18
votes
10answers
31k views

What are the benefits of 700c23 tires?

23s come on almost all new road bikes, and tire selection is much better for 23s than other tire sizes at most shops. The benefits of 25s and 28s are a better ride, more traction, and are more flat ...
1
vote
1answer
99 views

Are replacement MTB tire studs compatible between brands

I have a set of nokian gazza extreme studded tires, sometimes replacement studs can be difficult to come by at retail. Are the studs interchangable between brands typically or should I stick to only ...
8
votes
4answers
1k views

Studded tires for small wheels

I'd it possible to purchase 16" studded tires? I have an old Dahon I use as a winter bike, and I'd like to replace the tires with proper snow tires if this is possible. If not, has anyone here ...
5
votes
4answers
552 views

Schwalbe Marathon Plus recurring puncture - options?

Does anyone have any experience of using puncture resistant tyres when they have been cut so badly as the object pierces the tyre right through? Being Mr. Unlucky, 2-3 months ago I managed to get a ...
2
votes
1answer
103 views

Seating of spikes / studded tires

Some (most?) manufacturers recommend running studded tires on pavement for the first miles to facilitate "seating". As my commuting route touches little pavement but woods, I see little chance to do ...
5
votes
2answers
255 views

Fatbike tire footprints?

I am curious if there are any empirical experiments, or theoretical computational results, comparing the "footprint" size of the various fatbike/29er/mountain bike tires? There are lots of claims ...
4
votes
4answers
889 views

Puncture-proof 20" tires? [closed]

A friend is about to buy a second-hand Dahon Vitesse D7HG with the usual 20" wheels. Since she knows nothing about bike mechanics, doesn't want to learn, and that bike has a Nexus 7 hub gear system, ...
16
votes
5answers
60k views

What are the differences between “clincher” and “tubular” tires?

What are the differences between "clincher" and "tubular" tires? I'm just a casual road cyclist at this point and don't put any more than 200 miles in over the course of the week. I'm looking to ...
12
votes
11answers
13k views

Which puncture-resistant tires?

I commute on city streets and have had two punctures in 5 months: first a roofing nail, second a small shard of glass. Punctures are a nuisance. I've read some people recommend Schwalbe "Marathon" ...
1
vote
1answer
419 views

2mm clearance between the chainstay and the rear tire

I use a pair of club roost cross terra (27 1 3/8) on a vintage raleigh bike (maybe it's raleigh record). Originally the bike had 27 1 1/4 tires. If I'm correct, 1 1/4 is 32mm wide and 1 3/8 is 35 mm ...
13
votes
11answers
14k views

What is the narrowest tire you would use for commuting?

Speed isn't so much of a factor, obviously, but the lower the rolling resistance the less sweaty I am when I get there. Then there's flats to consider. Basically the tire has to never get them because ...
0
votes
1answer
245 views

Axle to wheel bore ratio? [closed]

This may be the wrong site but it's the closest one I thought someone would have knowledge of the question... It's not for a bike but rather replacing the wheels on a power wheels... The axle is 7/16"...