A mini version of Renthal's 520 R1 chain for today's high-powered mini racing machines Shot-peened alloy steel side plates Ultra-high 4,609 lb. (EU: 2090,61 kg) average tensile strength Chromised bearing pins resist wear Pre-formed bushings distribute power loads evenly for greater chain life Gold-colored side plates; copper-colored rollers The perfect match for Renthal sprockets Clip type link included. RENTHAL CHAIN 420-120
