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Silly bike poll for the afternoon. Presta valves...(29 posts)

Silly bike poll for the afternoon. Presta valves...Brooks
Oct 22, 2003 1:04 PM
do you keep the knurled ring? How about the cap?
If you have to ask "what's Presta?", go to Bike 101.
Me? Mostly no cap, sometimes have the ring (looks really Fredish on Aero rims).
no ring, no cappimpy
Oct 22, 2003 1:11 PM
Ring and cap both ...Humma Hah
Oct 22, 2003 1:14 PM
... but I'm pretty new to Presta and don't know what I can get away without.
My favorite...... No cap...no threadsMR_GRUMPY
Oct 22, 2003 1:16 PM
Without threads, my silica pump gasket lasts almost forever.
What are your favorite tubes w/out threads on the stem?Sintesi
Oct 22, 2003 6:37 PM
I know Torellis are smooth. Any others?

I agree -- smooth for the silca gaskets.
Michelin (nm)Mike Prince
Oct 23, 2003 5:30 AM
neither, never, no how, nix, nil, nicht, nyet, nope, nein (nm)terry b
Oct 22, 2003 1:16 PM
Lose the grams man!! nmKristin
Oct 22, 2003 1:17 PM
Stack 6 rings with a red capCrankist
Oct 22, 2003 1:18 PM
Counterbalances the two magnets :)
Ohhhh, I like this. How many can you get on a long stem? nmMB1
Oct 22, 2003 2:07 PM
cap but no ring...more pump space on v style rims (nm)Chicago_Steve
Oct 22, 2003 1:22 PM
nm
no ring, no cap, I like threadless too. nmNo_sprint
Oct 22, 2003 1:36 PM
Tubes withouth threads....WrigleyRoadie
Oct 22, 2003 2:00 PM
Michelin pro light... what else?
Tubes withouth threads....al0
Oct 22, 2003 2:15 PM
Hutchinson, at least long-stem version
ring on, caps on nmvindicator
Oct 22, 2003 2:29 PM
re: Silly bike poll for the afternoon. Presta valves...mapei boy
Oct 22, 2003 2:31 PM
If the valve has threads, I use the ring. I only use the cap on the mountain bike.
Ring but no capCHRoadie
Oct 22, 2003 2:49 PM
I've found that putting the ring on when changing a tube helps keep the tire in place until I've worked the whole thing on. I've always thought the cap was kind of redundant since there's that screw-down thing to keep the air in.
no cap or ring....unless.. it's a cool color cap, then sometimesishmael
Oct 22, 2003 3:12 PM
get a life (nm)Mariowannabe
Oct 22, 2003 4:15 PM
Got a life. Probably better than yours. Thanks.Brooks
Oct 23, 2003 7:27 AM
What part of "Silly..." did you not understand? And why did you waste your (apparently) precious time even responding?
re: Silly bike poll for the afternoon. Presta valves...carbs
Oct 22, 2003 4:19 PM
No ring, no cap on the road bike-cap on the mtb.
neither one on road or mtb (nm)laffeaux
Oct 22, 2003 8:53 PM
It's called a "dust cap"!Rich_Racer
Oct 22, 2003 11:05 PM
It's not there to keep the air in - it's there just so that the valve isn't covered in dirt that you blow into it, jamming it open, when you come to pump it up.

Anyway - my answer - cap, no ring.
disagreelaffeaux
Oct 23, 2003 2:24 PM
The cap is there to prevent the valve from punching a hole in the tube before it's ever used. Once the tube is the wheel it serves no purpose. Use them if you want, but there's no good reason to do so.
No. None, never. nmSpunout
Oct 23, 2003 4:28 AM
winter = valve stem cap. otherwise no ring / no cap. (nm)JS Haiku Shop
Oct 23, 2003 5:35 AM
No caps, no rings on V style rims, rings on open pro's.nmKG 361
Oct 23, 2003 5:38 AM
Use both ring and cap...Fredrico
Oct 23, 2003 7:25 AM
because I'm anal. Just kidding. The nut holds the valve stem in place when you press the pump chuck on, so you don't rip the rubber around the valve stem and the hole in the rim.

The cap looks nicer than a bare valve, and is more aero. The clear white ones are really trick. Yellow ones are nice, too.
there is a legitimate reason for the ring with some combosColnagoFE
Oct 23, 2003 8:48 AM
at least with CXP33s and standard length valves. It holds the valve up enough to get a pump on it. Without the nut it is really tough to get a pump to bite without some wrangling.