Beefed Up 420 Drive Chain 102 Link With Chain Breaker For CRF50 XR50 KLX110 PW80 TTR90 RM60 50cc 70cc 90cc 110cc 125cc 150cc Chinese Pit Dirt Bike ATV Go Kart Mini Bike Parts

Heavy-Duty 420 Drive Chain Kit for Small Bikes - 1 Chain
✔️ 420 chain, 102 links, includes breaker tool and 10 master links

The 420 drive chain kit is built for lightweight dirt bikes, pit bikes, ATVs, and go-karts that run 420-chain systems. It’s a ready-to-install upgrade compatible with popular models including CRF50F, XR50R, KLX110, PW80, TTR series, DR-Z110, RM60 and SSR pit bikes. Each kit includes a 420 chain with 102 links, plus master links and a chain breaker tool for easy sizing.

✅ 420 drive chain, 102 links, ready to install on small bikes
✅ Includes 10 master links and a chain breaker tool for sizing
✅ Silver finish, designed for 420 front and rear sprockets
✅ Not compatible with 428 rear sprockets; verify model fit before ordering

💡 What is a sealed drive chain used for on small displacement dirt bikes and ATVs?

Here's a handy explanation. - It transfers engine power to the rear wheel with a sealed design that helps keep dirt out. - It works with 420 front and rear sprockets on 50cc-150cc machines for smooth power transfer. - Master links and a breaker tool included for easy sizing and quick maintenance.