Celt aluminium bicycle seat clamp with quick release 38.1 mm (black).
BBB BSP-85 Cycling Light Strangler Aluminium Bicycle Seat Clamp Black 28.6mm
TIKBRO Bike Seat Post Clamp Aluminium Alloy Quick Release Bicycle Seat Clamp 28.6mm 31.8mm 34.9mm
Liebdorf Bicycle Seat Clamp with Quick Release - 31.8 and 34.9 Aluminium Seat Post Clamp - Black/Silver (Silver, 34.9 mm)
