Framesandgear Hammerhead Insert Kit - Aerofront GSRD Presta valve tubes are most

Presta valve tubes are most commonly used for road wheels (700c) and on a few MTB wheels as the valves are thin

5 ergonomically moves more volume per stroke for faster inflation on larger tires

External shifter cable routing

they provide the necessary visibility and optimum grip

Blue interior for optimal visibility of contents

Framesandgear Hammerhead Insert Kit - Aerofront GSRD Presta valve tubes are mostThe Framesandgear Hammerhead Insert Kit is designed to fit all current Framesandgear mounts, including our Aerofront series with the flat front design. This kit allows you to replace a worn or damaged Hammerhead insert. Convert an existing mount to support Hammerhead device. Specifications Material: Nylon plastic composite Weight: 6 grams Compatibility: Fits all Framesandgear mounts Hardware: Bolts included no additional parts needed Easy installation