Quote Originally Posted by KnottedYet
I remember 2 things that would get too loose on my prestas: the donut shaped ring that held the stem in place at the rim, and the Apollo space-capsule shaped thing on the teeny-tiny wire at the top of the valve.

Guessing you're talking about the space-capsule shaped critter.
WOW!!!
Someone who uses my same "technical jargon"!!!
I LOVE IT!!