420 R1 WORKS CHAIN 120 LINKS

420 R1 works chain • 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 4,608 pound tensile strength • Chromised bearing pins resist wear, especially under off-road conditions • Pre-formed bushings distribute power loads evenly for greater chain life • Gold-coloured side plates; copper-coloured rollers • Most perfectly matched chain for Renthal sprockets • Non O-Ring