Zipp’s custom-designed valve extensions feature a 3mm hex broach in the barrel to guarantee a perfect seal when tightened and a raised machined head with a slight bevel to ease installation of the pump head. A ridged section keeps the pump head from slipping.
- Zipp Valve Extention for use with a threaded presta valve
- Ridged section keeps the pump head from slipping
- 33mm (1.3") for 303 and new 202 (32mm profile) dimpled wheel sets