The Lezyne Valve Extenders screw onto your presta valve to extend the length for use with deeper profile wheels. Made from CNC machined aluminum, the 70mm valve extenders include threaded tips, making them compatible with all Lezyne pumps.
These valve extensions came with rubber o-rings to seal the with the presta valves of the tires. What a very clever idea since I had to put plumbers tape on our valves and spare tubes which sometimes don't even work. With these, I did not have issues with the valve extensions at all. I wish I could find more of these o-rings so I could put them on all the valves on our tubes.
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Birzman In-Line Apogee Head Replacement head for Birzman
Apogee pumps. The Snap-It system works well with either presta or schrader valves, with practical convenience. The In-Line head faces directly off the hose, rather than the 90° angle ofL-Shaped heads. Features ...
If you have deep-section 700c rims and you
have short presta valves, use these to bringthe length up by 33mm. Use Teflon plumbers tape to control air leakage. Individually carded, price is for 1 extender