Super light, comes in just under 3.6 lbs for 120L

Built to handle the demands of the top level MX racers in the world

Extra deep gold inner & outer side plates

Utilizes TST (TripleStar Treated) ultra hard pins & 100% heat treated

520 Works Motocross / Off Road Racing Chain

Super strong & lightweight design for high performance / racing

SS520MXR1

mini off road & motocross machines

Deep gold side plates & gold inner plates

Works 420 & 428 Motocross / Off Road Racing Chain

Uses clip type connecting link

SS420MXR & 428MXR

has approximately 5800 lbs

components for high strength & durability

Oversized, TST (TripleStar Treatment) coated ultra hard pins for added strength & unbeatable durability

All components are 100% heat treated

Seamless rollers & bushings help provide the added life & durability

Perfect for any MX applications 125cc through 500cc

420 chain achieves tensile strength of just under 5000 lbs while the 428