RK Heavy Duty (H) M520H Chain is a tough, cost-effective drive chain designed for riders who need a strong replacement for motorcycles that originally used a non O-ring chain. Its carbon alloy steel construction and heavy-duty 520H specification deliver dependable power transfer and durability for everyday riding and off-road use where simplicity and serviceability matter.
If you want a solid chain upgrade without moving to an O-ring design, the M520H helps keep your final drive reliable while remaining easy to install and maintain. The included clip connecting link makes fitting and trailside service quicker—ideal for riders who prefer practical, no-nonsense drivetrain parts.
Key features:
✅ Heavy-duty, economical non-sealed chain for bikes not equipped with O-ring chains
✅ Clip-type master link included for fast installation and service
✅ High tensile strength rated at 34.3 kN (7700 lb)
Benefits of use:
🔹 Correct fit for non O-ring applications—ideal replacement style for many smaller displacement bikes
🔹 Easy maintenance and servicing—simple cleaning and lubrication routine
🔹 Strong and dependable—heavy-duty build helps withstand hard acceleration and off-road conditions
Technical specifications:
📌 Brand: RK
📌 Model / Vendor Part Number: 520H-114-CL
📌 Chain size: 520
📌 Chain type: 520H
📌 Links: 114
📌 Seal type: Non-Seal (non O-ring)
📌 Master link: Clip connector
📌 Material: Carbon alloy steel
📌 Tensile strength: 34.3 kN (7700 lb)
📌 Max displacement: Off-road up to 250 cc / Street up to 400 cc
📌 Color/finish: Natural
📌 Weight: 1.59 kg per 100 links
Why choose this product?
⭐ RK is a trusted manufacturer for consistent quality and fit
⭐ Heavy-duty 520H spec offers a strong, value-focused drivetrain solution
⭐ Clip link included for quicker installation and easier servicing
