PK RIPPER SUPER ELITE Silver - モトクロスインターナショナル,In mid to late 1988 (approximately 35 years ago), when freestyle was loosening up and separating itself from uniforms and overall structure, R.L. Osborn brought a new brand into the fold: Hammer,In mid to late 1988 (approximately 35 years ago), when freestyle was loosening up and separating itself from uniforms and overall structure, R.L. Osborn brought a new brand into the fold: Hammer,50+UCI BMX Racing | Facebook,BMX LEGENDS SOCIETY | Facebook