FIDLOCK

VACUUM Head Cap Base

What Our Gearhead® Experts Are Saying:

"I’ve run a lot of mounts over the years, but this one is my favorite—it’s dead-center on the bike, looks clean, and holds my phone better than anything else. Even over washboard gravel or rocky singletrack, it never shakes loose, and the one-hand release is perfect when I stop to snap a quick photo."

Competitive Cyclist Romantic Technical Copy

Fidlock’s VACUUM Head Cap Base is the pinnacle of minimalist design for high-performance cyclists who demand secure, streamlined phone integration. Using Fidlock’s signature magnetic-mechanical innovation, it combines magnetic alignment with vacuum suction to create a dual-locking hold that withstands the harshest terrain while maintaining effortless usability.

Replacing your traditional 1 1/8” headset cap, the mount positions your phone precisely along the stem axis for balanced visibility and easy access. The magnetic field centers the device perfectly before the vacuum pressure engages, securing it against impact and vibration. With a simple press of the side lever, the phone detaches instantly for rapid, one-handed operation.

Fully rotatable with a ratcheted lock, the Head Cap Base delivers customizable viewing angles and unwavering stability. Compatible with all Fidlock VACUUM phone cases and universal patches, it provides a professional-grade, clean aesthetic for road, gravel, or mountain setups—blending Fidlock’s engineering precision with a ride-ready, cockpit-clean design built for serious cyclists.