CHROMAG Seat QR Seat Clamp with Quick Release - green | BIKE24
WOLFTOOTH Seatpost Clamp with Quick Release | 34,9 mm, 42,50 €
01 02 015 Bicycle Seatpost Clamp, Easy To Disassemble Resistance Quick Release Bike Seat Clamp Super Stable High Hardness for Outdoor for Bike(black) : Amazon.co.uk: Sports & Outdoors
Giant 34.9mm Quick Release Seat Clamp With Eyes For Pannier Rack