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Questions referring to the proper inflation of bicycle tires, including the recommended pressures and tools involved

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 ...
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 &...
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 ...
1
vote
2answers
467 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 ...
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 ...
2
votes
3answers
465 views

Flat tire after inflating to max pressure

Bought a used mountain bike for mom. The bike wasn't used in quite a while . Mom used it for 3 weeks , tire pressure was ok but it needed some air. So I pumped air in both the tires to max ...
2
votes
2answers
231 views

Rear tire tearing away from bead

I noticed recently that my rear tire seems to be tearing on the right side. The bead is firmly attached inside the wheel but the wall/fabric are tearing away. The bike and tire are only 3 years old. I’...
35
votes
3answers
8k views

Why are emergency inflation cartridges filled with CO2?

Why aren't they filled with ambient air using air compressors? Isn't compressing ambient air cheaper than generating CO2? If it is, then those cartridges would have two benefits: Cheaper to ...
2
votes
1answer
489 views

Sudden loss of air on tubless tyre, and now it won't inflate

Finding bike answers on the internet is really hard when you have no idea what you're looking for, so I'm sorry if I'm asking a ridiculous question here. Cycling back today I went over a bump in the ...
1
vote
2answers
222 views

presta valve inner tube issue

I have this problem i keep running into and its getting pretty expensive. Ive bought many inner tubes and when i pump the tire up with air, the inner tube fills up really good except in the area where ...
0
votes
1answer
130 views

Rear Flat Tire Repetition Mystery [duplicate]

I have this mysterious problem with my rear hardtail wheel. Here's how it goes: I put in a brand new tube after getting a flat, works fine for a ride, next ride get a flat, change tube, get a flat ...
5
votes
3answers
509 views

Have I damaged my tyres?

I noticed after mounting some new tyres that part of the side wall, just above the bead, seems to have been damaged while I was fitting them (see photos below). These tyres were especially difficult ...
7
votes
2answers
1k views

What to check after blowing tire off rim

Recently, after mis-reading "35-65 PSI" on a tire sidewall as "35-85 PSI" (in retrospect the unusually huge range should have tipped me off), I inflated a tire rated for 65PSI max to 80PSI. A few ...
0
votes
1answer
57 views

Michelin Proteks pop off rims [closed]

I have an OLD (Columbus tubing anyone?)...Corsaro 27" X 1 1/4 12 speed road bike I am reviving. The first thing are new tires and tubes. I got 2 Michelin Protek 27 X 1 1/4" tires and Bell tubes. I ...
0
votes
2answers
1k views

What is the correct inflation pressure for hybrid road/city bike? [duplicate]

I have a road bike and I got a flat tire probably after going back on the road from the sidewalk very carefully. I guess I pinched my tire. I usually inflate my tires to 7 bars. Is it enough and can ...
5
votes
2answers
5k views

Are CO2 cartridges feasable for use on fat bike tires?

Are CO2 or other portable cartridge style devices feasible for use on fat bikes with tires 26x4.5" or greater? I know there are large 20g or 40g cylinders available? If so, what sizes of cartridges ...
1
vote
1answer
488 views

Uneven inflation of a new inner tube? [duplicate]

I bought a new inner tube and when I tried to inflate it, the tube got unevenly inflated (check picture). This is the first time I'm installing a tube by myself so I don't know if this is normal. Do ...
1
vote
2answers
84 views

Why does rear tire lose 35 psi in a week with new innertube and tire?

My hybrid bike recently got a piece of glass through my rear tire and innertube. I bought both a new tire and innertube (700x35c schrader). I filled up both tires to 65psi. A week later the front ...
2
votes
1answer
1k views

How much can a 700x23 inner tube stretch?

I recycled my dad's road bike (about 20 years left in storage) so I bought a complete set of new wheels. "Good" hubs and rims, not quality brand though but I've been told they're good and that's what ...
6
votes
6answers
66k views

difficulty inflating my bike tire

When trying to inflate my bike tire, I pump maybe 5 times then it gets difficult for me to pump because the handle is hard to pump?
2
votes
3answers
8k views

Tire Gauge to Avoid Over-Inflation

I just purchased a tire floor pump with a gauge for my bike. The gauge seems to start off at 0 PSI when I connect the pump to the tire. So, do I need to use a separate tire gauge to first measure the ...
1
vote
1answer
880 views

Tire's won't inflate after winter

A few weeks ago I tried to take my Trek road bike for my first ride since last fall. It has been sitting in my (uninsulated) garage over throughout the winter and when I tried to inflate my tires the ...
11
votes
7answers
15k views

How much does tire pressure affect the weight of the wheels

Kind of inspired by this question, but something I've been thinking about for a while. How much does the air in a bike tire weigh? Is it an appreciable amount? Is there a point where using a wider ...
1
vote
3answers
358 views

Do I have too much chafer strip showing after fixing a puncture?

I have had two innertubes explode on me on my bicycle, on the same wheel and tire. The first time I was inflating my inner tube after aquiring a puncture. On this occassion I was pumping my tires (...
4
votes
3answers
31k 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 ...
15
votes
5answers
6k views

Do road tubeless tyres lose air faster?

I just replaced my rear wheel with a road tubeless (Bontrager RL TLR). Was lucky to have the bike shop installed the tyre, took two blokes to put it on the rim. Anyway, my second ride was a couple of ...
4
votes
1answer
3k views

How to correctly use an Avenir Airsource One bicycle pump

I have an Avenir Air-Source One pump that keeps popping off while trying to inflate the tires. can someone tell me how to correctly inflate the tires, without the pump popping off?
4
votes
2answers
11k views

Can I use a shock pump to inflate a tube?

I know that shock pumps are meant for high pressure applications so that they can withstand high pressures needed by suspension shocks. However, can I use a shock pump to inflate my tire in a pinch ...
11
votes
9answers
200k views

How to inflate a tire with a Presta valve?

My new bike has these thin tires with a type of valve I haven't usedbefore. I searched online and found out it's called a Presta valve, and it's pretty common and popular. I'm finding it annoying and ...
1
vote
5answers
8k 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 (...
5
votes
4answers
1k views

Gash where valve meets tire tube; How could this happen, and can I fix it?

I'm fairly new to bicycling; apologies if this is a standard question but I couldn't figure out how to phrase it to search for it elsewhere. I ride a KHS Urban-X with Kenda Kwest tires (just what it ...
3
votes
3answers
3k views

Air compressor to fill up to 60 PSI

I am looking for an air compressor and wish to get one which is not under or over powered. I am looking at one in a catalogue which has the following attributes: 40 Litres/min free air delivery 1hp ...
1
vote
4answers
657 views

New pump - Topeak |Pocket Shock

I bought this new pump, but i think I made a mistake. I need it for my road bikes, with presta valves. I don't understand how I connect the pump to the presta. Is it even possible? do I need an ...
26
votes
4answers
13k views

Is there a difference in having tires filled with CO₂ vs air?

When you fill your tire with a CO₂ cartridge you are obviously putting CO₂ into it. When you use a pump you are putting air into it. Are there significant temperature variations that may lead to poor ...
49
votes
14answers
56k views

What are advantages and disadvantages of CO2 inflators over frame pumps?

I have a frame pump that I've used on the road when replacing flats, but I always see CO2 inflators advertised at bike shops. Are they worthwhile for the potential weight savings?