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

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1answer
228 views

What type of tires have tubes inside?

Don't judge me as stupid just yet, I'm not sure if mine's a tubular or tubeless tire but everyone says tubular tires are glued to the metal wheel. However, mine isn't. It consists of a smooth, ...
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3answers
1k views

Tires for 28' city bike (622x19C) to reduce rolling resistance?

I've got a simple city bike that needs some new tires. The bike has been fairly hard to ride lately, and I would like to speed it up a bit. The rims are 28' 622x19C, the current tires are 47mm or ...
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2answers
5k views

What do I need to know when replacing my inner tube/tires?

Context: The inner tube on my bike burst the other day, I took it home and salvaged another one from a bike that's been sitting unused in my garage for years. The New(old) innertube inflates fine ...
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3answers
113 views

Help! Tire Pressure

I have a sorta light weight 54cm fixed gear (18 pounds) and I weigh about 115 pounds. I have a set of continental ultra tires for my 622/14mm (700x23) bianchi rims with standard 20-25 tubes. The thing ...
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2answers
387 views

Tire popping out of rim when inflating tube

This is very similar to this question. When I fill my tubes up to about 85 psi the tire pops off the rim and the tub gets caught on the rim and blows up. I have gone through 4 tubes in two days at ...
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2answers
209 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 ...
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2answers
111 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. ...
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2answers
244 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 ...
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1answer
132 views

Is it okay to use mismatching tires? [duplicate]

I own a Vittoria Rubino Pro Slick 700x23 and a Conti GP4000S 700x25. What do you guys think about: mounting different tires on a bike? which tire should go where? The Vittoria has around 200 miles ...
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1answer
551 views

Could I have damaged the bearings/cone when replacing a tire? Front wheel wobbles side to side

Last evening I installed new tires on my bicycle. The front wheel now wobbles side to side. I notice a small movement about 1-2 mm near the hub/axle cone. I checked to see if the skewer is all the ...
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2answers
160 views

Continental 4Seasons vs 4000S

I am currently riding Conti GP4000S tyres, in 700x23mm version, inflated at 115 psi. The grip is great, the (light)weight is amazing. I have punctured twice with them (in 1500 km) which is more that ...
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2answers
567 views

Extend clearance for a 28mm tire

I tried upgrading to some 28mm but as you can see clearance is very tight. In some spots, the tire doesn't fully clear the brake (Tektro R350). The fork barely has enough clearance. Is it worth ...
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2answers
749 views

Why does a 28 1/3 tyre fit, when a 27 1/4 tyre is too big?

I've just bought these rims off eBay: ...
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1answer
398 views

What Schwalbe Nobby Nic should I buy?

I recently bought a Swissbike X5 (same as the Montague Paratrooper, but labeled Swissbike and matte black). It came with Kenda Kinetics 26" x 1.95" (front and rear) that I'd like to replace. Due to ...
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1answer
101 views

26 X 1.75 front and 26 X 2.0 rear tyre?

can I use 26 X 1.75 for front and 26 X 2.0 for rear? the tube size is the same. Bike : Rockrider 5.0 Terrain : mostly Road, occasionally off-road.
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2answers
219 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 ...
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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 ...
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1answer
159 views

Definitive reference for tire widths?

Is there a reference/source/method for definitively determining the width of a bicycle tire without actually having it in hand? I ride a 2009 Jamis Aurora which came stock with 32 mm Vittoria ...
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2answers
205 views

Watts per wheel on my cyclocross

I have a pair of Continental Cyclocross Race, 700x35c, folding for my Fuji Cross 2.0 cyclocross. I just bought a pair of Continental Grand Prix 24. I had a look at this study where different tires ...
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2answers
963 views

tyre size for a 28" bike, at the moment: 35C, is 32C too narrow?

since my tyres are a little old and won't make it much longer, I will buy new ones. At the moment I have Schwalbe Marathon 700-35C and I was thinking to replace them with a Continental Contact II 700 ...
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1answer
800 views

What inner tube do I need for this tyre?

Can anyone tell me what spec inner tube I need for this tyre? I discovered the one I'd previously bought didn't look fat enough when I got my first puncture with it the other day, now I'm in the ...
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1answer
1k views

Genesis Onyx 29" New tires? New wheels?

I want replacement tires for this bike. I believe they are 29" x 2.125. Can I buy tires that are more narrow for the same rim/wheel? 2" 1.75? Also, Is it possible/practical to swap the wheels ...
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1answer
466 views

How much friction arise from the tires?

Does anyone know how much friction (rolling resistance) arise from the tires? I know this heavily depends on type of tire, their air pressure and the type of surface. I would therefore like to see any ...
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1answer
187 views

Tank tape for tire patching - Enough friction?

This topic has been cursorily covered by How can I repair a tyre with a deep cut? before, but less with empirical evidence. Tire patches as mentioned there are not available in my local bike shops ...
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3answers
145 views

Fat Tyre Punctures

I ride a Fat Bike which is fitted with 26x4.6" tyres. I am worried about puncturing on trails in the South African bush. What can be done to mitigate this risk of puncture as tire liners and ...
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2answers
80 views

What kind of tires I can use with tubeless rims?

I bought a Trek FX 7.4 last summer, and now, as the conditions are getting more and more slippery, I'm thinking of getting a bit more winter-y tires. The rims are tubeless, but I'm a bit confused of ...
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1answer
140 views

Widest tire on a 23c rim?

Alright, I've seen this question around the web a bunch but the other questions are always including limitations and restrictions by brakes or fork/frame capabilities... So my question is, what is the ...
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1answer
135 views

Minimum width tire?

I'm in need of replacement tires, and am a bit lost as to what the minimum width tire is for my wheel. Measuring the wheel gives a rim width of around 1". I know the tire has to be wider than the ...
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1answer
255 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 ...
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2answers
469 views

What kind of road tyres should I go for winter commuting? [duplicate]

I currently have kevlar vittorio rubbino tyres on my road bike, but they don't have enough grip for the oncoming uk winter conditions. What level of tyre tread do I need for road commuting on uk ...
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1answer
90 views

mountain bike switching tyres I get a puncture, why, am i doing something wrong?

I have a mountain bike with 2 sets of tyres, a road set and off road set, when I switch between them about 1 in 3 times I seem to get a puncture, and I can't see why? I've gone though 4 innertubes ...
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1answer
171 views

Source of John Deere line of children bicycle tires?

My son's bike is 12 inch children bike with the John Deere tractor theme to it. Aside from the paint, this line of kids bikes have some rather beefy, large square knobby tires. As with any ...
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2answers
290 views

Running one wheel with clincher and one with Tubular

I have a carbon clincher wheelset and am looking to get a disc wheel, but don't want to spend the money for the clincher version. Would there be any foreseeable issue with running one wheel with a ...
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3answers
2k 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 ...
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1answer
1k views

Specialized Espoir Sport Tires

Anyone ever use these? I'm getting these as stock on my next bike (700 x 25 on a 2012 Secteur Sport). I've been using Continental GP 4000s for years and love them. Will they be a step down or is it a ...
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1answer
61 views

Adjusting air pressure in the Tyre /Tire [duplicate]

I own a Trek 3500 and am an avid biker... I bike on roads mostly, but sometimes on trails too.. Is there any information anyone could share that would assist me in adjusting air pressure in the Tire? ...
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0answers
34 views

Difference between front and rear tires [duplicate]

I've found some manufacturers have front-only or rear-only tire models. What is the actual difference between front and rear tires? Why specific tire supposed to be used only on front/rear wheel? ...
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0answers
122 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 ...
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1answer
442 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?
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3answers
332 views

How to calculate width of 28“ tire to 26” with constant damping factor?

Let's say you have a 28" tire with X width. The question is how to calculate the width for 26" tire to get the same damping factor? I am looking only for solid solutions. I will assume that ...
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5answers
164 views

can i use a 700c tire (Gatorskin 700c x23) on a 650 wheel

I am thinking of getting some Velocity Rims that are 650c but I am wondering if I will be able to use my 700x23c Gatorskin tires on them? Also what do you think about 650c wheels pros and cons. ...
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7answers
1k views

Are there road bike tires invulnerable to popping?

I am a mountain biker now living in Minneapolis and so I bought a road bike, but I can't keep tires on it to save my life. I 'upgraded' to Continental Attack/Force tires, got a glass shard in the ...
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4answers
935 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 ...
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5answers
868 views

How can I repair a swollen tire allowing visibility on the inner tube (picture provided)?

I have a new problem on my bike which occured after patching my inner tube. Since I put the patch on, my tire is pushed out away from the rim near the intake valve (not near the patch). In the picture ...
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2answers
2k views

Life expectancy of a cycle tube and tire?

Can anyone please let me know the life expectancy (no of km or time period) of a cycle tube and tire? Let us consider different cycles (MTB Hybrid Roadbike) and different terrain (off-road slightly ...
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2answers
163 views

Is it possible to loosen or crack the tire when I change a broken tube?

If I don't use the proper tools. Last time I used spoons to take out the tire.
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5answers
141 views

is a 29er a good fit for a 5'9 height?

I'm a 5'9.5 and I use a 26er gt and I don't feel that comfortable as it feels so small. I've also tried a 27.5 merida, it was an improvement but I can't still quite grasp that same feeling when you ...
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1answer
106 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 ...
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1answer
418 views

what benefits do tubeless tyres bring to a 29er trail mtb?

I have a 2014 Whyte T-129s and am considering converting the tires to tubeless. They are already 'tubeless compatible', so this should not be prohibitively expensive, but I am wondering whether this ...
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1answer
136 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 ...