By working to perfect cored wheel tech over the last 20 years, the newest Ricta Cores provide a unique speed and reduced rolling resistance. Coupled with Ricta's high performance urethane, Ricta Cores are ultra fast and smooth and maintain shape integrity when landing tricks for quick rollaway.

Features:

• Diameter: 52 mm
• Durometer: 99a
• Width: 31.36mm
• Road surface : 18.33mm