JooFn Bike Presta Valve Extender 80mm Aluminum Anodized CNC Valve Extension for Road/Fixed Gear Bike Tyre

The metal is light so the part is decent for leaving the extenders on full time. However, the metal is so light/weak the threads were damaged first use. Now these are broken.

These worked great, I've never used the non-value core version of extenders and I actually really like this method more.

👍

Threads did not fir a standard presta Valve.