RK 420 Standard Chain 2020 which is important for smaller

which is important for smaller machiens

Uncompromised performances

Reduce ski lift and front-end pushing

The R-77 mufflers front cap is MIG-welded

to optimize rider usability

RK 420 Standard Chain 2020 which is important for smallerRK 420 Standard Chain All RK chains are pre stressed and pre stretched to ensure equal load distribution and minimal maintenance. They're made of the highest grade medium carbon alloy steel available, with all components shot peened and heat treated Feastures Heat treated medium carbon alloy steel construction All components heat treated and shot peened for maximum strength Two point pin riveting and solid rollers M420 For street bikes up to 80cc that