Zipp Valve Extender - 98mm for 1080 Kask It is equipped with a

It is equipped with a removable brow bar for a customizable look and feel

TYR Fabrication: 80% Polyester / 20% Spandex

Achieve Optimal Positioning: Achieve optimal positioning with the Aerobar Bracket Riser Kit

including TYR and Speedo Vanquisher models

Boasting an ultra low drag coefficient of

Zipp Valve Extender - 98mm for 1080 Kask It is equipped with aZipp valve extenders for use with threaded, non removable presta value tubes. 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