The Promax FC-1 Seat Post Clamp is cold forged and CNC machined from 6061-T6 aluminum alloy, the FC-1 is tough, lightweight (A 31.8 clamp weighs about 16 grams) and good looking. For those that don't need to raise/drop their seat height every lap, we respect you.
Available in 31.8 and 25.4 sizes in anodized red, blue, gold and black with laser-etched graphics and stainless steel hardware.
Weights:
25.4mm-PX-SC130F254: 14 grams
31.8mm-PX-SC130F318: 17 grams
