Originally Posted by
MagicHour
Backup to Co2?
Topeak Micro Rocket-comes in AL or carbon flavors. Super small and light about the size of a marker. I carry it with the bottle cage mount on one bike, or pocket it when riding the other. It's a big effort to get much over 90psi - but again if it's backup to Co2 that's still plenty to get home.
That's what I have and it has served it's purpose perfectly as I've never had to use it.
-Matt