All RK chains are prestressed 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
For ATVs and motorcycles up to 500cc that did not come with an O-ring or heavy-duty chain as standard equipment
Chains include clip connecting link
Wear Life Index: 100
Average Tensile Strength (lb.): 7,200
520 STANDARD
Maximum Engine CC Street/Dirt: 250/NA
520 STANDARD
Maximum Engine CC Street/Dirt: 400/NA
NOTE: Wear Life Index should be used as a comparison for probable wear life under identical circumstances.
Think of it as a percent, with standard chains being 100.