Amazon.com : Kinekt Bike Suspension Seatpost, LR Lightweight Alloy Seat Post for Road, Gravel & Electric Bikes, Bike Seat Shock Absorber Adjusts to Weight and Riding Style, Quick & Easy Set-up, LR
Amazon.com : BONMIXC Suspension Seatpost 27.2 400mm Layback, 400lb Support for Larger & Tall Riders, Reduce Wind Drag, Anti-Slip Shock Absorbing Alloy Bike Seat Post, Adjustable Two-Way-Bolt Clamp : Sports & Outdoors
GEWAGE Suspension Seatpost for Bicycles - 27.2/30.9/31.6 X 400mm Shock Absorbing Bike Seatposts - Lightweight Aluminum Alloy Seat Post for MTB Road Bike BMX eBike - Walmart.com