RK 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
- 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 did not come with an O-ring or heavy-duty chain as standard equipment