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34
votes
13answers
19k 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 ...
4
votes
2answers
4k views

Is a 16 grams CO2 cartridge enough to inflate a 29" mountainbike

I used to ride a 26" mtb, but now I'm switching to a 29er. Since the volume of the tire increases, I was wondering is one 16 gram CO2 cartridge enough to inflate the tire? Notes: The tire will be ...