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

learn more… | top users | synonyms (3)

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152 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 ...
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93 views

Small wheel bike to be converted to bigger wheels

I have a cycle with small wheels. I had been using it as a child. now I am an adult and I want to replace the small wheels with 26 inches wheels without spending a large amount of money. I have ...
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1answer
262 views

Cross tires on a road bike

I want to buy a road bike for commuting, fitness, leisure, etc. and not for professional racing. However, because I live in a "wet" country, I would like to be able to change the tires into cross ...
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1answer
939 views

Is there a certain size tube for my tyres?

When it comes to fixing bikes, i'm not to crash-hot. I can clean grime, oil the chain and put it back on if it falls off. However, when it comes to the inner tubes I usually rely on someone else to ...
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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 ...
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4answers
5k views

XC (mountain bike) tire for dry hardpack and loose conditions

I am just looking for a a new set of tires for my front suspension mountain bike (has a newer nicer fork on it now). I mostly ride in the Gatineau Park in Eastern Ontario. The conditions are ...
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1answer
57 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 ...
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2answers
153 views

Why has my ride changed?

The bike is a Specialized Camber 29, about five months old, from a shop about 220km away. Something feels different in my ride, and I'm wondering what it is. the rear goes sideways in sand much ...
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1answer
70 views

How to select a tube?

Hi I got a used bike and my experience with bikes is very limited. The tires and tubes are all broken so I need to get new ones. I found these tires: ...
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2answers
5k 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 ...
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2answers
585 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.
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1answer
137 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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300 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
6k 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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2answers
79 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?
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1answer
102 views

how to use “smart valve” pumps?

i got one floor pump with a so called "smart valve". it came with no instructions whatsoever. and I'm not smart enough to use it... I tried it on both type of tire valves, and no matter what i do, it ...
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3answers
171 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
1k 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
327 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
135 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
487 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
678 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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1answer
3k views

Hybrid bike how much should I inflate tyres

Hi I just bought a hybrid bike btwin riverside 3. It has 28 inch tires and weights 15kgs. My weight is 75kg. How much should I inflate my tires. And how often should I refill?
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2answers
185 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
695 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
1k 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
404 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
53 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 ...
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3answers
97 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 ...
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1answer
178 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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326 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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102 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
185 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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3answers
718 views

Why did my tire just blow up?

I finished a 2 hour bike ride outside today, and I parked it next to the wall in my kitchen after I got home. 3-4 hours later... all the sudden the front tire just "blew up". What happened? Thanks!
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2answers
265 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
1k 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
952 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
2k 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
510 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
193 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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2answers
202 views

Wheel Wobbles and Rubs on Brand New Bike?

I just got a brand new bike and it came partially assembled in the box. I don't have a whole lot of experience when it comes to working on or building bikes but I managed to put it together. theres a ...
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3answers
373 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
609 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
275 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
764 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
377 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
486 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
95 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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215 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 ...