Zipp Use With Threaded Presta Head Black 72mm For 808

The knurled end keeps the pump from slipping. For Butyl tube with Presta Valve.

Features
For use with threaded presta (non-removable core) tubes
Extenders thread "over" an existing valve and do not "replace" a valve core
Knurled end to keep pump from slipping
3mm hex broach in the barrel to guarantee a perfect seal when tightened
Sold each
Color: Black

Mfr Claimed Weight
TBC