Exposure Aero Seat Post Band & Shim - TraceR - Blaze : Sports & Outdoors - Amazon.com
Giant. Workstand Repair Stand Bike Bicycle Road Bike Seatpost Clamp Adapter ISP Aero Carbon Seatposts & 27.2 & 30.9mm : Amazon.co.uk: Sports & Outdoors
Canyon Speedmax Seat Post Bottle Adapter | CANYON JP
Aero seatpost light mount - Slowtwitch.com
Bicycle Seat Post Shim Sleeve For Seatpost Adapter 22.2 to 25.4, 27.2 to 31.8 | eBay
Aero seatpost clamp aero seatpost collar alloy
Work Stand Seatpost Clamp Adapter ISP Aero Seatposts 27.2 & 30.9mm on OnBuy
Light and Motion Vis 180 aero seatpost mount adaptor : Amazon.co.uk: Sports & Outdoors
Giant Propel has an aero seatpost, and neither of three supllied Varia ' adapters' can fit onto it. So I designed and printed my own adapter. : r/bicycling