Deep gold side plates and gold inner plates, Super-strong and lightweight design for high performance/racing mini off-road and motocross machines, Utilizes TST (TripStar Treated) ultra-hard pins and 100% heat-treated components for high strength and durability, Uses clip-type connecting link, 420 chain achieves tensile strength of 5,000 Ib., Seamless rollers and bushings help provide the added life and durability