KMC Chain Chain - 520EX Off-Road Chain

For off-road application, chain should be promoted with upgraded steel alloy for all parts, subject to going through exclusive heat-treating process as well, to remarkably reinforce its toughness against rugged terrain riding.
KMC employs chromized pin and solid bushing into this chain to boost up its wear endurance and shock absorption to a great extent. Its outstanding performance does help inviting enjoyment and excitement to cyclist while going extreme.

• Equiped with cross-shaped seal to enhance durability
• Equiped with solid bushing to upgrade fatigue resistance
• Equiped with heavier plates to increase tensile strength
• Equiped with pin riveting system to increase tensile strength and fatigue resistance
• Designed for on-road use