Presta valve extender is needed to extend valve stem length when Presta valve (tube and tubeless) is too short to screw with bike pump air chuck. Wistio well-CNC-machined Presta valve extender was made using aluminium 6061, their lightweight weighing 8 grams each due to their length of 80mm
EPDM rubber gasket attached. It is suitable when you want to replace previous plumber tape and to avoid air leaking while holding pressure. It works well when screwed with Presta valve core.
