The Zipp Valve Extenders feature a 3 mm 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.
- 27 mm for older (red) 202 wheel sets
- 33 mm for 303 dimpled wheel sets
- 48 mm for 404 dimpled wheel sets
- 72 mm for dimpled 808 wheel sets
- 98.26 mm for dimpled 1080 wheel sets
*Please Note: Valve extensions require specific installation, so Zipp highly recommends that you watch the how-to installation video on the Video FAQ section of Zipp.com and that you pre-install extensions on your spare tires and tubes before your ride.