Remade in Steel and chromed , exactly Copy. Super Corsa and Model B. Up to late 80s. Allen key bolt after that
Bicycle seat bolt. CRMO Steel Vintage Seat Post Clamp Binder fixing bolt.
Cinelli Seat Post Clamp 31.8mm MTB Mountain Road Bike Light Alloy
2PCS Bike Seatpost Screw bike seat bolt and nut M5 × 40mm Cycling Bolts DIY Replacement Parts, Seat Post Fixing Screw bike seatpost screw for Bicycle Seat Tube (colored) Screws
CR-MO 19mm ALLEN KEY SEAT BOLT, BINDER BOLT
RSP Seat Bolt 6x55mm QR Bike Seat Clamp Spare Part Silver
Quick Release Seat Bolt Raleigh 6x55mm QR Bike Seat Clamp Spare Part Black
