
The RK 420 MXZ lightweight mini-works racing chain was developed from the same advanced alloy material and manufacturing technology as the RK 520 MXZ4 chain. The 420 MXZ is one of the strongest in its class and provides you with outstanding value and performance when compared to any MX racing chain.
Search through all our listings to find exactly what you need
Search All Listings for 420MXZ-120to
Need help? We're riders just like you.
MX Locker © 2025 Accessibility