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

1
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1answer
75 views

Determine width of rim to match tyre

I need some 5 ray rims but the ones I find on the internet are way too expensive, so I decided to "roll my own" by creating a 3D model and having it machined from a piece of aluminum. I've chosen to ...
8
votes
2answers
688 views

What air attachment screws onto a Presta valve with the core removed? High volume for seating bead?

I have presta valves on two of my bikes. I have a presta floor pump. I have an air compressor. I have a schrader adapter. I have a blowgun and a tire inflator for my compressor. I can attach the ...
0
votes
1answer
101 views

What to pay attention to when buying a used race bike

What to pay attention to when buying a used race bike? - the one with thin tires :) Thanks for advice guys! I ask because I am a beginner in bikes, but I would love a faster bike. Now I have a very ...
1
vote
3answers
60 views

44 622 / 700x45c what tyres to buy?

The marking on the existing tyre to replace is 44 622 /700x45c On sites like https://www.schwalbe.com/en/groessenbezeichnung.html 44 622 corresponds to 700x42c and 47 622 corresponds to 700x45c , I ...
1
vote
1answer
47 views

Low profile tire suggestion for 27 x 1 1/8 wheels

I recently purchased a Japanese vintage early 80s Zunow bicycle. The wheels rim are Araya 27" x 1 1/8 and I need to replace the tires. After some research and recommendation from my local bicycle shop ...
0
votes
1answer
45 views

Is the use of wide fatbike tires problematic with 100mm BSA bottom brackets?

Fatbike frames typically come with 100mm or 120mm BSA BBs. Does the 120mm BB help anything, though? For example, if I have a 100mm bottom bracket and a 5" tire on a 100mm rim, and I switch to the ...
0
votes
1answer
75 views

Tire clearance on 2019 Trek Crockett

Has anyone tested max tire width on a Trek Crockett (2019 frameset)? Wondering specifically if I can fit 45mm tires on 19mm inner width rims.
7
votes
4answers
171 views

New high quality tire doesn't sit evenly on the rim

It's my first tire change experience and I got so far using youtube videos but now I'm stuck. Got these Schwalbe 365 tires yesterday for my folding bike. It is an all season model which feels a bit ...
1
vote
1answer
59 views

For a studded tire that is available in both 29“ and 27.5” which will perform better in snow/ice all else being equal?

I"m looking to start winter riding. My soon-to-be bike, a 2018 Devinci Troy Carbon 27 GX 12S, is able to take both 29" and 27.5" tires. I prefer 27.5" tires, but would I have more control and ...
4
votes
4answers
173 views

Wider tires offering faster speeds and safer ride?

I'm looking at riding again. I took a two year break after I crashed going down a hill when a tree branch was down and I went over my handlebars. I've always assumed that thinner tires were better ...
0
votes
1answer
35 views

Stop-A-Flat tube for 26 x 2.25 tire

I want buy Stop-A-Flat tube for my tire. Tire size is 26 x 2.25 Closest airless tube what I found, has size: 26 x 2.125 Is suitable that size for my 26 x 2.25 tire ?
4
votes
1answer
176 views

I keep destroying new tubeless tires!

My "Googling" haven't exactly yielded many results with people having such obnoxious issues with destroying tires as I do. In short, I destroy such a high number of tires that its becoming one of the ...
2
votes
2answers
195 views

Are there any bike tires that can hold 500 lbs (225 kg) each?

I'm trying to design a 5 foot by 10 foot trailer to tow behind my bike and wanted to use bike tires. I googled this: "bike tire load chart" — but found nothing useful there. The most useful thing I ...
10
votes
3answers
3k views

Is it practical to switch from tubeless to tubes every few weeks?

Part of the allure of a gravel/cyclocross bike has been the possibly of having a "do it all" setup. I recently purchased a gravel bike with 38c tubeless tires on it, and I also have a set of 30c ...
2
votes
0answers
42 views

Restoring a 1954 Taylor tricycle

I am searching to replace the front tire. It has a Swan tire, but the size is more important. Measures 12 x 1.75 Pliable enough to remount on rim
0
votes
2answers
102 views

Can I replace 27.5x2.25 tire with a hybrid/road tire? [duplicate]

I am new to cycling. I recently got Jamis Trail X with 27.5x2.25" tires. This is a bit hard (not easier) on city roads. I was thinking about replacing the tires with max 1.5" wide hybrid or road tires....
2
votes
3answers
119 views

Should tire pressure be equalized or slightly offset?

I am wondering wether I should match the recommended PSI of both my tires (equalized) or if I should have the front tire slightly more deflated than the back or vice versa (offset). Are there ...
3
votes
3answers
176 views

Why ride knobbies on a commuter?

For me, riding a bike is often practical, good for my health, the environment, etc., but I ultimately ride bikes because I enjoy it. I'm curious to learn about others' decisions for riding knobby ...
2
votes
1answer
64 views

New Tubeless Tires leaking from Molding Sprues. Manufacturing defect?

I recently got myself a new Giant Roam 0 with tubeless ready rims and Crosscut AT2 tubeless tires. Everything was assembled at the local bike shop. After having it a few days, I noticed that the tire ...
1
vote
1answer
139 views

I am willing to switch from 700x23c to 700x28c (front) and 700x25c (rear)

I've just bought Orbea Onix TDI Road Bike that has 700x23c tires. They are very tough on the roads that I have around - I go to mountain highways and there's a lot of pavement cracks that feel too bad ...
2
votes
1answer
63 views

Inflating toddler tires

I got my toddlers bike second hand & it looked like tyres were a bit flat. We brought new tubes & when I went to replace them I found that the current ones inflated. It seems that I can pump &...
2
votes
2answers
68 views

Compatible tyre widths for 622 × 17 rims?

I have 622 × 17 rims on my hybrid and currently have 700×40c tyres on (came with the bike). I need a new rear tyre but I am not sure what I can get. From what I can find I should be fitting fairly ...
0
votes
2answers
60 views

Puncture/Tear at base of air valve.

I have replaced three flats on my new bike and found each time a tear or hole at the base of the air valve. What can cause this.
3
votes
5answers
1k views

My rim exploded inflating on an automatic pump of a gas station. Should I reuse wheel's spokes/hub or buy everything new?

Today I went through this situation. Rims are Vzan Action with Formula Hub 36 holes. My rear tire was leaking. A guy patched up the tube and the problem persisted. I went to the bike shop and asked ...
5
votes
3answers
2k views

What pressure should a tire have?

I am a new bike rider. Over three months, my wheels are a little bit flat. However I am not too sure as to what pressure I should pump them back up to. Currently they show 25 PSI (172 kPa). It is a ...
2
votes
2answers
168 views

Innovation in cycle wheels

Do you think there is still some innovation that can be done to cycle wheels? Like changing the cycle spokes pattern? Or is it already in an optimised state?
0
votes
2answers
149 views

Tires explode way under rated pressure limit

I'm restoring my dad's old Jeunet racing bike from the seventies. First thing I did was buy two new tires. The old ones looked still OK, but wanted to take no risk with 40 year old rubber. The new ...
3
votes
0answers
75 views

Will my rims fit 25mm or 28mm tires? [duplicate]

I have a hybrid Dawes, about 25 years old. I think it's currently got 700x35mm. I would like to fit thinner tires but how do I know if the rims will accept them. Is there a way to know?
3
votes
2answers
253 views

Wheel Tire Height Change: 27Plus to 29

All, I have a 2017 Scott Spark 720. It has 27.5 Plus Tires on it 2.8 maxis recon which I run at 16/18 psi (amazing traction). I have been getting a lot of pedal strikes (In rocky/rooted turns, mild ...
3
votes
2answers
321 views

Cracks on tire - still safe to ride?

I just experienced some uncommon cracks on the tires (Schwalbe Durano Plus) The tires are pretty new (less than half year old, and used max. 1500 km). I inflated 6 bars in the tire, and according to ...
1
vote
3answers
158 views

Questions about tubeless tires

I keep getting a lot of pinch flats even though I've pumped my 26x2.00 wheels to 280Kpi (65psi) and I've been thinking about converting to tubeless. But I don't have both tubeless ready tires and rims....
1
vote
2answers
52 views

Will these tires fit on my bike?

If I were to purchase the “Aluminum Road Bike Commuter Bike Shimano 21 Speed 700c”, would I be able to remove the tires that the bike originally came with, and replace them with some “Michelin Lithium ...
1
vote
2answers
468 views

New inner tube bulges near the valve when inflated

I've installed a new inner tube in my wheel. I checked the tube doesn't make a knot. When I inflate the tube, it bulges near the valve, and this rubs against the brakes. REF tube: 32/47 609/642 ...
0
votes
3answers
96 views

Rough riding bike!

I have a Cannondale touring bike with 27" x 1.25" tires on it. They are designed for an air pressure of 100 PSI (6.8 bar) which means I feel every bump on the country roads around here. I would like ...
3
votes
3answers
767 views

Are 23mm tires on a 25mm rim (21 mm internal width) safe?

Odd situation here, I'm putting together a 2nd road bike (I commute daily and need a backup for when my main ride needs adjustments, part replacements, etc). To stay on the economical side, I ...
0
votes
2answers
887 views

Can I use a smaller bike inner tube than it supposed to

My bike says I need a size 29" inner tube and I got a 26" wheel what’s gonna happen?
0
votes
1answer
123 views

How to fix tyre issue - rubbery sounds when riding

I don't know much about bikes at all. I have this bike which I was ideally going to use tomorrow for an journey but I think that I may have to use other transport now. I haven't used it in a while, ...
0
votes
0answers
82 views

Can I change my rims from 22 inch to 24 inch?

I have bicycle with 22 inch rim size and I can't find my tire & tube with current size. Can I change the rims to 24 inch?
1
vote
1answer
91 views

Can I run a Schwalbe Marathon 26" on a Mavic CrossLand UST rim?

I have a old 26" mtb that I still use for commuting and occasional weekend rides. I need to change the tyres as the current ones are very old. I would like to buy tyres with low rolling resistance and ...
1
vote
2answers
799 views

What is the difference between a 700x28c and a 700x32c and a 700x..c and so on?

I'm semi-new to customizing bits of bike and when looking to buy some slicker tyres for the road I came across this 700x..c system. I've previously had a set of 700x28c tyres which were then swapped ...
3
votes
1answer
88 views

Are there standards for tubeless tires/rims?

I still trying to understand tubeless systems (well, i understand the principal, but it's the implementation that I'm still confused) In this video, they show a cross section of a wheel rim and tire. ...
3
votes
6answers
182 views

Is it a problem to have tires of different width?

I received a new tire for my bike. I believe this is a "Hybrid bike" in English and looks more or less like that image courtesy of Wikimedia I use it to commute, 50% on bike paths and 50% on easy ...
2
votes
1answer
252 views

Looking for suggestions on a mostly-road mixed-use tire [closed]

I'm riding tracks that are 90% on-road, 5% poorly paved cracked roads and 5% gravel, dirt, chips, etc. No mud. Basically: ride 5km to a park, ride 1km there, ride back. I'm pretty new to bikes. The ...
6
votes
3answers
1k views

Is it normal that the tyre fits effortless the rim?

I've been constantly having problems with my wheel going flat. I couldn't find anything on the rim but I changed the rim tape and I bought a new tyre. The old tyre was a bit worn. It was also fitting ...
5
votes
1answer
263 views

Tires won’t come off rims

Help! Have a Diamondback Release with Schwalbe Hans Dampf tires on Blanchard rims. Couldn’t break bead to get tires off as I wanted to convert to tubeless, even after trying tire levers for an hour ...
5
votes
1answer
227 views

Does sealant in tubeless tyres slosh around?

I'm getting interested in tubeless tyres for my gravel bike I'm curious about the liquid sealant that you put in the tyre. As I understand, it should stay liquid so that if there is a puncture, the ...
1
vote
2answers
382 views

Can't get bike valve caps off

I will sound a bit thick but i'm no bike mechanic, to give you an idea of what make my bike is here are some pics (the bike isn't mine and the owner doesn't know). the problem is that I cannot get ...
4
votes
1answer
284 views

Tires for cyclocross bike

I have cyclocross bike with alu frame (Focus Mares). It is currently running on Continental Cross tires which are around 400g. I mostly ride it in city and sometimes go for weekend tours in ...
1
vote
1answer
412 views

Which inner tube do I need to buy for 28 inch fixie bike?

I have a 2018 FIXIE Inc. Betty Leeds. https://www.fahrrad.de/fixie-inc-betty-leeds-white-694674.html These are the sizes of the tyres: Reifen vorne Marke: Kenda Typ: K-193 Größe: 28 Zoll ...
15
votes
3answers
4k views

How to deflate a tire properly?

I need to flatten my bicycle tire. What is the safest and best way to do this? What I mean by safest is: I want to reinflate it again afterward.