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Do you use the threaded nut on the Presta tube?(9 posts)

Do you use the threaded nut on the Presta tube?DY
Apr 25, 2002 8:25 PM
I just got a pair of CXP33's. When putting on my tubes, I noticed that the little threaded "nut" that I usually use with box type rims doesn't fit very well up against the pointy side on the inside of the rim. Do people with these deeper type of rims use the nut? Does it matter to leave it off?

Thanks
Ditch it. (nm)mickey-mac
Apr 25, 2002 8:30 PM
nm
re: Do you use the threaded nut on the Presta tube?R-I-D-E
Apr 25, 2002 9:42 PM
Yeah, I only use it to inflate the tube for the first time. It does a good job of holding the valve stem so you can get the head of the pump or CO2 inflater hooked up. After that, I get rid of it.

RIDE
It may not fit tight, but will help to prevent breakingPaul
Apr 26, 2002 2:49 AM
your stem when inflating by giving it more support. I've broken stems that way when using a hand pump. It will also help in preventing water bulding up inside your rim.
re: Do you use the threaded nut on the Presta tube?MikeC
Apr 26, 2002 6:22 AM
I use them for the same reason as some of the other posters: it's easier to inflate after a flat when the valve stem is supported. I also carry a spare in my seat pack for when I help others with flats.
many tubes don't even have them - I don't use them nmDougSloan
Apr 26, 2002 6:38 AM
What he said. (nm)look271
Apr 26, 2002 2:31 PM
re: Do you use the threaded nut on the Presta tube?Iseemo
Apr 26, 2002 2:19 PM
nope
re: Do you use the threaded nut on the Presta tube?Mel Erickson
Apr 26, 2002 2:20 PM
I find them useful for inflation but can take them or leave them. Probably more useful on the mountain bike where you may be running low enough pressures to allow the tube to shift. This can help prevent cutting your stem.