Box One Quick Release Seat Clamp-1 1/4" (31.8mm) col The Promax PI-1 Headset is

The Promax PI-1 Headset is two headsets in one

*Zipper Lock System – exclusive zipper lock system keeps pants closed and secure

fits any Pivotal post

HARDWARE- Cold-forged and CNC machined aluminum cups

4 pawl driver with individual leaf springs for precise engagement

Box One Quick Release Seat Clamp-1 1/4" (31.8mm) col The Promax PI-1 Headset isThe Box One Quick Release Seat Clamp 1 1 4" (31. 8mm) has a proprietary surface treatment at the interface of the quick release lever and the clamp. This ensures smooth operation for the life of the clamp without the use of a bushing. Created from cold forged, CNC machined 6061 T6 aluminum this clamp weighs in at only 28 grams (for the 31. 8mm size). FEATURES Titanium Hardware Lightweight Open Frame Anodized Finish Cold Forged Laser Etched Graphics