BIANCHI Seatpost Vintage Clamp Binder Screw Bolt Adjustment ORINGAL Used. From Bianchi Brava frame, has little black paint and some minor rust & pitting but it works great! If your restoring your Bianchi you know how hard it is to find parts, so hopefully this helps someone finish their project. The 2 barrels screw in by finger threads are good not stripped takes allen wrench to tighten. Frame not included for description purposes only. Bolt has been Santized wiped for your protection. USPS