Kyosho ST-RR Evo Ceramic Ball Bearing Kit

Race faster and longer with our World Champion Ceramic Bearing Kit for the ST RR Evo. HSR inner cage technology for durable high speed operation, SIN 100% synthetic oil (not heavy grease) for super fast,cooland quiet operation, and our world famous Ceramic Nitride Pro Series for the ultimate in low friction, lightweight, and blistering fast speeds.