Folding Bikes - CO2 cartridges: is 12g sufficient for small-wheels?

Bikeforums.net is a forum about nothing but bikes. Our community can help you find information about hard-to-find and localized information like bicycle tours, specialties like where in your area to have your recumbent bike serviced, or what are the best bicycle tires and seats for the activities you use your bike for.




Transformer
01-06-12, 12:46 PM
I have a CO2 inflator that I've only used a couple of times (with 16g cartridges). I'm thinking of buying some 12g refills which seem like they would work well with our small wheels. I'd like to hear from anyone who uses the 12g cartridges.

I have 20" Duranos on my TSR. Does anyone know if 12g would inflate one of those to at least 90 PSI?


kamtsa
01-06-12, 01:44 PM
Probably not but I don't know for sure. On my bike I need to manually pump + one cartridge of 16g.

BTW, if your motivation is price, check amazon. For example you can get 16g threaded cartridges for about $1/cartridge http://amzn.com/B0015V45F4

Transformer
01-06-12, 03:04 PM
Thanks. My motivation is size, not cost. I'm constantly trying to minimize the essentials. Last year I replaced my wallet with a rubber band. :D


kamtsa
01-06-12, 06:46 PM
Thanks. My motivation is size, not cost. I'm constantly trying to minimize the essentials. Last year I replaced my wallet with a rubber band. :D

Broccoli rubber band?

http://www.cbsnews.com/stories/2008/10/09/60minutes/main4512252.shtml

;-)

Transformer
01-06-12, 07:09 PM
LOL. It IS a broccoli rubber band! But I don't roll up my cash like a mobster (or even have enough cash to make an impressive showing after buying the Moulton).

kamtsa
01-06-12, 08:00 PM
On my TSR I fit everything within a frame triangle bag. It contains 3 threaded 16g, CO2 valve, micro pump, 15mm wrench, patch kit, spare tube, road tool kit, Z Allen for the king bolt, etc.

232698

badrad
01-07-12, 12:48 AM
i had a 12g on mine, with 20" Stelvios (same difference) and i got it close to 100/105 psi. (couldn't really tell as this was on the road repair). but i do recall i had to pump up when i got home to 120.

Transformer
01-07-12, 09:30 AM
Thank you, badrad. That's exactly what I wanted to confirm.