Fidlock VACUUM Ahead Cap Base Mount System roof racks Featuring our most advanced sock

Featuring our most advanced sock technologies for enhanced durability

And if you plan on using the TRIGO for more than simply sports and fun

You are free to mix and match and rearrange the clamps

Fits all 1 1/8” threadless headsets

Fidlock VACUUM Ahead Cap Base Mount System roof racks Featuring our most advanced sockThe Fidlock ahead cap mount consists of a special ahead cap which is screwed to the head tube. The base is then placed on the cap and is easily secured with a clamp using a knurled screw, or theft proof with a hex screw. The ahead cap base can thus be quickly removed when no smartphone is needed, while the plain cap remains screwed to the bike. Accessories sold separately. Product Features: Includes: VACUUM ahead cap base, ahead cap including screw,