Amazon.com : UNISTRENGH Vintage Bike Saddle Bike Seat Leather City Bike Saddle Spring-Loaded Touring Saddle Spring Saddle with Upgrade 4 Springs, with Clamp and Rivet (Black) : Sports & Outdoors
Mesh Top Leather Dual Spring Seat / Saddle - JupiterBike
Retro Vintage Bicycle Bike Cycle Genuine Leather Saddle Seat Spring Comfort Seat | eBay
City Cruiser Saddle – Solé Bicycles
Web Spring Bike Seat for Ultimate Comfort | Planet Bike
Cloud 9 Web Spring Comfort | E-Bikes of Holmes County LLC
Web Spring Bike Seat for Ultimate Comfort | Planet Bike
Amazon.com : Bike Saddle Suspension Spring Steel Shock Absorber MTB Road Bike Shocks Mountain Bike Parts Bicycle Accessories (A:Rainbow) : Sports & Outdoors
BICYCLE SEAT SUPER BIG LARGE WIDE COMFORT SPRING SEAT HEAVY DUTY QUALI – Bicycle Heaven
Found: Rinsten Spring, to soften bumps in the road before they get to the saddle - Bikerumor