Amazon.com: Keen Ramps - Skateboard Grind Box - 4ft or 6ft Long - Skate Grind Box for Skateboards, BMX Bikes, Scooters, & Roller Blades - Professional Skateboarding Ramps for Home - Made
Building a Grind Box for Skateboarding or BMX
Building a grind box / ledge to practice on - General BMX Talk - BMX Forums / Message Boards - Vital BMX