Ventura 31.8 mm Alloy Quick Release Seat Post Clamp 250897 - The Home Depot

Origin8 Pro-Force Quick Release Seatpost Clamp - 31.8mm : Bike Seat Clamps : Sports & Outdoors

Brompfication Seat Clamp Quick Release - パーツ

Wolf Tooth Components Quick Release Seatpost Clamp - 29.8mm Purple

Ventura 31.8 mm Alloy Quick Release Seat Post Clamp 250897 - The Home Depot

The Ride Out Supply Quick Release Seat Post Clamp allows for easy seat height adjustments without the need of any tools. The adjustable clamp is

Ride Out Supply Quick Release Seat Post Clamp (Red) (31.8mm)

Ventura 31.8 mm Alloy Quick Release Seat Post Clamp 250897 - The Home Depot

Tangent CNC Quick Release Seat Clamp at J&R Bicycles – J&R Bicycles, Inc.

Bike Post Clamp, Aluminum Alloy Quick Release Clamp Tube Clip for 27.2/28.6 mm Bike Seat Post Road Bike(Red) : Sports & Outdoors

Wolf Tooth QR Quick Release Seatpost Clamp - 29.8mm, Black : Sports & Outdoors

Here's an opportunity to replace the dull boring factory seat clamp on your bike with a shiny colorful upgrade that looks and performs more beautifully. The quick release lever is extra long and does not pivot, so it won't spin in awkward positions. The cam shape is optimized to provide a forceful grip without breaking your fingers. Size is 31.8mm, which means it will work with any bike that uses a 27.2mm seat post.

WeeClamp 31.8mm Quick Release Seat Clamp by WeeBikeShop Blue

Ventura 31.8 mm Seat Post Clamp with Rack Mounts 250850 - The Home Depot