REBOUND TEST 6 -14 -14WELCOME TO THE WORLD"S BEST URETHANE. In recent testing, Wreck's high performance Ruin Formula outperformed Spitfire F4, Bones STF and Ricta with the least material lost in Abrasion Testing and the Highest Rebound percent in Speed Testing. Made exclusively at our factory in the USA, our proprietary Ruin Formula utilizes the highest quality compounds, curatives and components. This high performance formula welds 30 years of lab development experience, advanced processing techniques and extensive street testing into the world's most flatspot resistant, fastest & longest lasting wheels. Facebook , Instagram , Twitter, Vimeo : @WreckWheels