Amazon.com: Keen Ramps - Quarterpipe Skateboard Ramp (2' ft x 4' ft) - (1/4) Quarter Pipe Skate Ramp for Skateboards, BMX Biking, & Scooters - Professional Skateboarding Ramps for Home - Made
Obstacle Guide - What is a quarter pipe? | skatedeluxe Blog
City of Crystal - Recreation Department - Hit the half-pipe at the Crystal Skate Park! We are also offering a skateboard clinic in July for ages 6-15: https://webtrac.crystalmn.gov/wbwsc/webtrac.wsc/search.html?module=AR&fmid=3966985 ...