Amazon.com : 27.2 Seatpost 400mm LITEONE MTB Seat Post with 28.6mm 30.9mm 31.6mm Seatpost Shim Suitable for Mountain Bike Road Bicycle MTN BMX ( Include 3 Tube Adapters 15mm Setback ) : Sports & Outdoors
Promend Shockproof MTB Road Bike Seatpost Spring Suspension Seatpost 27.2-31.6mm | eBay
Amazon.com : EVOSID Carbon Fiber Bike Seatpost 27.2mm 31.6mm Lightweight T800 Carbon Cloth 400mm Length Bicycle Seat Tube for Mountain Bike Road Bike,BMX : Sports & Outdoors
Amazon.com : Bike Seatpost 27.2mmx400mm FOMTOR Bicycle Adjustable Long Seat Post Mountain Bike Seatpost for MTB Road Bike Folding Bike BMX : Sports & Outdoors
MTB Bike Seatpost Shock Mount Bicycle Saddle Suspension Tube 27.2/30.4/30.8/31.6 - Walmart.com
FIFTY-FIFTY Mountain Bike seat post Aluminum Bicycle Seatpost 27.2/30.9/31.6MM | eBay
Amazon.com: Psfghvz Bicycle Seatpost 25.4 27.2 28.6 30.4 30.9 31.6 x 350mm Aluminum Alloy Bike Seat Post 3K Matte Bike Seat Tube with Adjustable Clamp Suitable for BMX Road and Mountain Bike : Sports & Outdoors
Bike Seatpost Length 400mm Outer Diameter 27.2/30.9/31.6mm, Bicycle Seat Post Aluminum Alloy Offset 25mm for MTB BMX - Walmart.com
Amazon.com : COCH Zoom Bike Seat Posts Bike Suspension Seatpost 27.2mm 31.6mm Alumium Adjustable Seatpost for MTB Road Bike Mountain Bike Fixed Bike Seatpost (Black+red, 31.6mm) : Sports & Outdoors
Bynccea Bike Seatpost 27.2mm 30.9mm 31.6mm Bicycle Seat Post 400mm for Mountain Bike Road Bikes MTB BMX Color 1# 27.2mm
Specialized Carbon Fact Seatpost 27.2 mm 390 mm Carbon Fiber MTB Road 27.2mm | eBay
Carbon 3K MTB Road Bike Seat Saddle post blade Seatpost 27.2 30.8 31.6mm Seats | eBay