JT Chains 520 HDR Competition is a heavy-duty, non-sealed drive chain built for reliable power transfer in motocross and off-road riding. High-grade steel construction delivers strength and durability with a clip master link for fast installation.
The JT Chains 520 HDR Competition Chain is designed for riders who want dependable power delivery and durability in demanding motocross and off-road conditions. Produced using leading-edge manufacturing and high-grade special steel alloys, it’s built to meet or exceed the requirements of modern MX, enduro and off-road motorcycles—helping you keep your drivetrain efficient, responsive and race-ready.
With a non-sealed design, this chain is a great choice when you want low rotating resistance and straightforward maintenance, while still benefiting from JT’s focus on strength and wear performance. The clip-style master link makes fitting and trackside servicing quicker, so you can get back to riding with less downtime.