Category: (Sports)
5 new, starting at $7.43
Machined aircraft aluminum Presta Valve extender with rubber seal. Fits deep dish and carbon rims 60-90mm.
Topeak Presta Valve ExtenderReviewed by Ross Firestone, 2009-12-06
I have used two of these extenders on a pair of deep-V rim BMX wheels with 20x1.5 tires for the last two years. I have had no problems with them at all. They seal to the valve stem securely, they allow the Presta valve to be tightened hard enough so it doesn't not untightened no matter how rough the ride, the pump attaches securely to them and the black finish shows no wear. It is pleasure to use them because they do their job superbly. And, in addition, they're less expensive than many other valve extenders.
Best overall solution presta valve extenderReviewed by Ignacio Bustamante, 2007-02-18
Only need one extender to inflate many tires. With this Topeak
presta valve extender, you do not need to leave in place the
extender once it is installed, since this extender features a
plunger that is used to tighten/untighten the the knurled nut on
the existing presta valve.
Procedure I use: Screw the extender onto existing valve, push the
plunger down to engage the valve nut, losen the nut and proceed to
inflate. Once the tire is properly inflated, tighten the nut,
disengage the plunger by pulling it up few milimeters, and remove
the extender by unscrewing it. Repeat as necessary on as many tires
as you wish.
If needed for competition conditions, you may use two extenders and
leaving them in place on each tire for fast access. There is no
need to use teflon tape with these extenders, since you are using
the existing valve nut to close it down.
The only drawback with this product is, that you may not be able to
tighten the presta valve's knurled nut real hard as you may have
been accustomed to, and could become lose with road vibrations,
thus leaking some air. This has not happened to me since the three
months I have been using this valve extender.
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