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CO2 cartridge,ceramic rims,bb creak,kyserium damage(3 posts)
|CO2 cartridge,ceramic rims,bb creak,kyserium damage||ishmael|
Jan 27, 2003 5:26 PM
|will a 12cc(or whatever it's measured in) CO2 cartridge fill a tire to a good pressure or is 16 a better choice?
Are ceramic rims worth it or should I go with the standard open pro?
Will my creaking bottom bracket be ok if I let it go for awhile, or do I need to get on it before it ovalizes or something?
My kyserium front hub needs to be tightened every couple of weeks, and now it seems to have play even when it is tight; is it possibly damaged?
|re: CO2 cartridge,ceramic rims,bb creak,kyserium damage||rogue_CT1|
Jan 27, 2003 10:41 PM
|A 12 gram CO2 cartridge will fill a 700 X 23mm without a problem. I don't use a gauge so I don't know the psi.|
Jan 28, 2003 5:01 AM
A 12g cartridge will probably not provide adequate pressure. A 16g will leave you with a little left over. I recommend going with the 12g non-threaded cartridges. They are available cheap at any store that sells pneumatic guns (Wal-mart, or army-navy stores). I buy bags of 25 for $15. The larger, threaded cartridges are only available at bike shops and cost 2-3 times more. I carry an inflator and three 12g cartridges on rides.
I swear by ceramic rims on my mountain wheels. Unless you ride in the rain often (every other day) I'd spend the money elsewhere. The ceramic will provide awesome braking and the braking surface will be more durable. They are overkill for most road riding conditions.
It could be a number of things. Are you sure it's the BB? A cartridge type BB should be maintainence free for a long time. You may just need to remove and relube the threads. Creaking BB are very common but they are a symptom of many problems. The creak could be caused by anything from saddle rails to stem. I would look into it sooner rather than later.
Sorry can't help here.