Sunstar 420MXR Works Motocross/Offroad Racing Chains
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 (TripleStar Treated) ultra-hard pins and 100% heat treated components for high strength and durability.
Uses clip type connecting link.
Seamless rollers and bushings help provide the added life and durability.
420 chain achieves tensile strength of 4970 lbs/ft while the 428 has 5760 lbs/ft.