This new Non O-ring 428 chain has been designed specifically for todays higher-powered Mini Motocross racing machines that use a 428 chain, up to 100cc capacity. Renthal Works 428R2 Chain has the following features: Shot-peened alloy steel side plates for high tensile strength and maximum load resistance. Extended bushings to reduce friction between outer and inner link plates, maximizing power output. Case hardened alloy steel bearing pins for maximum resistance to wear. Gold colored side plates. Copper colored rollers. Average tensile strength 22,000N (4,946 Lbs.) |
