The Promax QR-1 seatpost clamps are cold forged and CNC machined from 6061-T6 aluminium alloy. The QR-1, as the name implies,has a quick release lever, making seat height adjustments a snap.
Weighing just 30 grams in the 31.8 size, its as lightweight as it is tough. The head of the lever and the face of the clamp are given a proprietary low-friction surface treatment that ensures smooth lever action for the life of the clamp without the need for a bushing.
- Laser-etched graphics
- Stainless steel hardware