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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 / ledge to practice on - General BMX Talk - BMX Forums / Message Boards - Vital BMX Building a grind box / ledge to practice on - General BMX Talk - BMX Forums / Message Boards - Vital BMX](https://tempocyclist.files.wordpress.com/2020/01/0e3ce6de-6d1b-42e0-ab54-8e10bd7ede82.jpg)
Building a grind box / ledge to practice on - General BMX Talk - BMX Forums / Message Boards - Vital BMX
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