Fidlock VACUUM Head Cap Base

This mount is designed specifically for bikes with a 1 1/8 inch threadless headset. As long as your bike uses this standard stem cap size, the base will install easily using an Allen key.

Yes, the system requires a compatible Fidlock VACUUM phone case or a universal adhesive patch to create the necessary vacuum seal. The mount itself provides the attachment point, but the case is the essential component that interfaces with the vacuum technology.

Absolutely. The system uses a combination of magnetic guidance and mechanical vacuum suction, which creates a very strong bond. The integrated ratchet also prevents the phone from rotating or shifting while you are riding over bumpy terrain.

Yes, the mount allows for 360-degree rotation. You can easily adjust your phone to portrait or landscape orientation, or tilt it to reduce glare, even while you are on the move.

The design is quite clever; you can quickly remove the main vacuum base with a simple release mechanism, leaving only a low-profile, unobtrusive cap on your stem. This keeps your cockpit looking clean when you aren't navigating.

No, the mount is designed to be safe for use with standard bike electronics. It integrates seamlessly into the cockpit without disrupting your bike computer, sensors, or other electronic accessories.