Custom designed for the Storck Aerfast seatpost. It is available in the BD version.
3D printed with engineering-grade nylon carbon fiber. This new material is amazing. The perfect blend of strength and durability.
BD: 2.8 grams without bolt, nut or elastic band
Easy to install:
BD: Use the elastic band to keep it in place.
One frame number holder
One 4mm socket head bolt
One #8 nylon lock nut
One elastic band
A word of caution when placing your bike on a roof rack with a frame number attached.