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34
votes
13answers
20k 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?
17
votes
4answers
3k 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 ...
9
votes
3answers
1k 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 ...
8
votes
6answers
54k 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 ...
7
votes
5answers
1k 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 ...
3
votes
2answers
2k 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 ...
3
votes
3answers
1k 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 ...
3
votes
4answers
518 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?
3
votes
1answer
675 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?
2
votes
4answers
393 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 ...
2
votes
3answers
523 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
4answers
477 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 ...
1
vote
3answers
167 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 ...
1
vote
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 ...
1
vote
2answers
2k 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 ...
1
vote
1answer
77 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 ...
0
votes
1answer
134 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 ...