Giant Rack Mount Seatpost Clamp - 34.9mm - QR – Bicycle Warehouse
34.9mm Seat Collar with Ti Bolt
Litepro For Birdy Bicycle Carbon Fiber Seatpost 34.9mm 580mm For Birdy Folding Bike Ultralight Seat Post - AliExpress
Amazon.com: Aluminum Alloy Bicycle Seat Post Clamp Mountain Bike Seatpost Accessory for 30.4/30.8/31.6mm seat Post (34.9mmBlack),34.9mm Bike Seatpost Clamp, 34.9mm Bike Seatpost Clamp, Aluminum Alloy Bicycl : Sports & Outdoors
Why All Dropper Posts should be 34.9 - with Stefan 'Sacki' Sack from Bikeyoke
Hope Single Bolt Seat Post Clamp - 34.9mm Red | Seat Post Clamps - In The Know Cycling
Engin Dual Bolt Seat Collar (33.1/34.9/36.4/38.6mm) — Engin Cycles
Carbon Seatpost Clamp – ICAN Cycling
Ultralight 34.9mm Road Bike MTB Seat Post Clamp Seatpost Clamp Collar Bicycle | eBay