BMX - God Dangit
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07-15-05, 01:44 AM
I just got a new tube for my front tire today and on the same day my back tire pops so its been happening alot and i realize that my bike waight 45 pounds... so i was wondering if the waight is what the probablem is
No. The weight is not the problem. Where is the tube damaged? If it's the inner part, you need better rim tape. If it's a slit or "Snakebite" on the outer edge, your air pressure is too low. If you sprinkle some talc or baby powder into your tire and rub it all around before you install a tube, you'll be able to replace your tubes a lot quicker.
07-15-05, 06:19 AM
If you sprinkle some talc or baby powder into your tire and rub it all around before you install a tube, you'll be able to replace your tubes a lot quicker.
didnt know that...
07-15-05, 06:59 AM
yeah mine was all the way around... its like a line not circle now
07-15-05, 08:25 AM
Ya I remember reading an old ridebmx article about Jay Miron street riding where there was a picture of him changing a flat and he had a bottle of baby powder and he put some powder inside his tire. So does it just make it reasier and quicker to change tubes?
07-15-05, 01:12 PM
A little less friction as you inflate the tube is a good thing as it helps the tube stretch comfortably without binding.
As a rule I inflate my tubes to about 60 or 70PSI then I mostly deflate them to allow the tube to reseat and I double check the seating of the tire on the rim. Then as I inflate a second time I carefully check the tire seating on the rim as tire pressure hits about 100PSI or so.
Most people are guilty of WAY under-inflating tubes.
Others just run tires until they are bald at which point you don't really have anything protecting the tube from small stuff you run over all the time.
Ran over a thumbtack 2 minutes after I started riding one day - talk about something to piss a person off. Grrrrr....
Try a 20mm thru-axle on a mountain bike. The front wheel is held on by 8 bolts, and they have to be tightened carefully, in a certain order. Flats suck.
im guilty of underinflation...i got to the trails one day, checked the tire pressure cuz it felt like it was funny a little low...i had somehwere between 15 and 20 psi....good thing it was trails and not street.
If you want consistent tire pressure, always use the "Squeeze with a bare hand" method. This way you will always be wrong. You can get a digital gauge from Radio Shack for about $10 on sale. I think it even corrects for temperature. Either way, it will be consistent.
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