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

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54 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 ...
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2answers
219 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 ...
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1answer
227 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 ...
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1answer
354 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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1answer
137 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 ...
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1answer
58 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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2answers
149 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 ...
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2answers
131 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, ...
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46 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 ...
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65 views

Bumpy ride. Is it the casing or the inner tube?

I pumped a new tube to about 80 psi (I missed that on the casing the recommended pressure is 100 psi). On the ride immediatly, I hit a very small kerb harder than I wished and after I noticed that my ...
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2answers
375 views

Exposed cord on bike tire - replace?

The gash is about 3 inches long. Should I toss the tire or should I keep it?
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1answer
377 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 ...
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1k views

How to tell if a new pair of brake calipers will fit my wheel, tire, and frame?

I have a Takara Kabuto. It has 700x32 tires (I don't really know what that means). I was looking at upgrading the brake calipers. I was looking at these, among others. How do I tell if they will ...
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3answers
260 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 ...
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3answers
121 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
255 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 / ...
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1answer
69 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 ...
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2answers
101 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 ...
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4answers
196 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?
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2answers
288 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, ...
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1answer
61 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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1answer
71 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 ...
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4answers
294 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 ...
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2answers
193 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 ...
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1answer
242 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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3answers
440 views

What do I do if my bike won't pump with an air pump at all?

My bike tires will not pump up at all. I tried forever. I had this bike for a year and then it won't pump at all. I have a pump you stand on and use your 2 hands to pump. At first it was pumping air a ...
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1answer
161 views

Can tubes be used in tubeless rims aswell as tyres?

I've gotten a bike with very nice tubeless wheels, however I have little experience in fixing or replacing tubeless accessories. I would much prefer to be able to put a regular mountain bike tube in ...
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1answer
117 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 ...
3
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1answer
166 views

How to clean and brighten reflective wall tires

I have a set of Continental Touring tires with the white reflective stripe on the sidewalls, and they get pretty dirty with road and brake grime. Normally I would clean with car soap and water but ...
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2answers
1k 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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1answer
999 views

Tyre bulge when inflated, new

Got some new bicycle tyres yesterday (CONTINENTAL COMFORT CONTACT 700 x 32c CITY COMMUTER ROAD) The tyre I fitted to rear wheel seems to have a bulge in sidewall. Took it off, looks ok inside. It ...
8
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3answers
2k views

Are fatbikes capable riding in mud?

Fatbikes are traditionally used for sand and snow which are surfaces which are loose and liable to break away under the weight of the bike and rider. They are also materials that don't generally stick ...
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5answers
364 views

Croozer bike trailer optimalisation for less tire detoriation

We love to travel by bike. Last summer we did a trip of about 650km on mostly asphalted roads (with quite some medium long climbs and descends) with our son in a bike trailer (type Croozer, see ...
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66 views

How to measure the size of a suitable tire for my bike?

If I have the diameter of the rim of my bike and also have the width o this rim, how can I determine which tire is good for me?
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5answers
1k 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
414 views

27 1 3/8 tires on 27 1 1/4 rims [duplicate]

I have a bike with 27 1 1/4 rims. I plan to buy a pair of Kenda K161 (27 1 3/8) because the roads get really slippery during the winter. Will these tires fit on my rims? I aldo don't want to buy a ...
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2answers
267 views

What type of terrain makes an MTB mandatory?

I'm somewhat new to biking, and I've been commuting to work on my new touring/hybrid bike for a few months now (it's a 2014 Novara Safari). I am very interested in doing some actual self-supported ...
2
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2answers
223 views

What is this pumping nozzle called?

My local bike shop have one of these green nozzles that anyone can use to pump their bike. They say that only companies can buy those, but I would really like such for my blue compressor. What I like ...
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3answers
589 views

Would “fat” tires help me learn skinnies/log rides?

I'm relatively new to mountain biking, and am considering purchasing a new, less expensive bike to help me learn to ride wooden obstacles (skinnies, curved bridges, etc.) without fear of damaging my ...
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2answers
420 views

Anyone using studded bike tires on a commuter in milder climates?

I'm in the Pacific Northwest, Washington State, and I bike commute year round 5 miles each way. At my previous gig and rental, I had the fairly easy option of walking the 1.4 miles to work. I'm less ...
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4answers
2k views

Replacing 14“ x 1.95” With 14“ x 2.125”?

I have a super quick question here, my daughter (she's 5 years old) rides her bicycle extensively, to the point of the actual tire has worn clear through. I didn't think it would be this difficult, ...
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2answers
207 views

Tire upgrade from 22“ to 26”

I am looking at purchasing a used Specialized Rockhopper with an XL frame. Everything is exactly what I'm looking for on this bike with one exception...the tire size. It currently has 22" tires/rims ...
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5answers
543 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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1answer
38 views

Front tyre size - is 1.9" a good option? [duplicate]

I have in my bike a 1.9" tyre in the front wheel and a 2.2" in the rear. Is it safe to use this tyre sizes?
3
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5answers
667 views

How do I stop punctures for good?

Last night I came out of work to a flat tire. This is the second time I've got a puncture with less than 100km done on a brand new set of schwalbe smart sam tires. needless to say I was quite annoyed. ...
2
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1answer
527 views

Why are tires that fit 622mm wheels called 700C [duplicate]

where does the 700 come from and what does the C stand for in 700c?
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3answers
519 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 ...
2
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4answers
371 views

Non Removable Presta Extension

Just got a pair of tubular Vittoria Rally road tyres. They look perfect but the problem is that the valve is 42mm which is no good for my new awesome 50mm rims. Above all the valve core is not ...
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2answers
1k 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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3answers
348 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 ...