Keep your setup spicy with Nyjah Huston's new black / gold signature Chrome Cores by Ricta Wheels. Chrome Cores feature the Rapido urethane formula, proven to be Ricta's most balanced formula for maximum speed and smooth control. New Chrome Core are guaranteed to protect the wheel during impact resulting in a noticeably smoother roll away from gaps and ledges. Save your knees. Ride Chrome Cores. 52mm 99A.