Dirt Bike O'Ring Type Chain

A reliable 428 chain is foundational to any high-performance drivetrain, and the EK 428 SROZ Series delivers proven durability without inflated pricing. O-ring sealing technology keeps lubrication where it belongs—inside the rollers—while blocking out...

A quality drive chain is fundamental to reliable power transfer in any high-performance build, and the EK 428 SROZ Series delivers exactly that without the premium price tag. The O-ring seals work overtime to keep lubrication where it belongs and...

The EK 520 MRD7 chain delivers the durability and precision required for serious motocross competition. This 120-link chain combines proven reliability with smooth power transfer, ensuring consistent performance lap after lap. Purpose-built for the...

A quality drive chain is fundamental to consistent power delivery and acceleration response in any performance application. The EK 520 M3 combines lightweight construction with hardened materials to reduce parasitic losses while maintaining the...

If you're running a 450cc-plus machine at the track or pushing hard on the street, chain failure isn't an option—it's a catastrophe. The Moose Racing 520 FB delivers the highest tensile strength in our lineup at nearly 8,000 lbs., engineered through fine...

If you're running a high-performance 450cc or larger machine, chain failure isn't an option—it's a catastrophic outcome. The MOOSE RACING 520 FB delivers the tensile strength and durability demanded by professional racers and serious enthusiasts, with...

Chain durability directly impacts your off-road performance and maintenance costs. The Renthal 520 R33 Gold Chain replaces traditional O-ring seals with Renthal's Self-Regulating Seals (SRS), delivering longer service life and reduced upkeep between...

If you're running a 450cc off-road machine, your chain is the weakest link between engine power and rear wheel traction. The Renthal 520 R33 Chain with 114 Links replaces traditional O-ring seals with Renthal's Self-Regulating Seals (SRS) ring system,...

If you're running a 450cc off-road machine, chain durability directly impacts your reliability in the field and your maintenance costs over time. The Renthal 520 R33 Gold Chain replaces traditional O-ring seals with a Self-Regulating Seal system that...

Chain wear is one of the most common failure points in high-performance off-road riding, and a worn chain directly impacts power delivery and rider safety. The Renthal 520 R33 Gold Chain replaces traditional O-ring seals with Renthal's Self-Regulating...

A reliable drive chain is the backbone of any high-performance drivetrain, and the MOOSE RACING 428 O-Ring Series delivers the durability and consistent power transfer that serious riders demand. The integrated O-ring seals maintain constant lubrication...

A quality drive chain is fundamental to reliable power transfer and consistent performance on track or trail. The MOOSE RACING 525 O-Ring Series delivers the durability and precision expected in competitive environments, with self-lubricating seals that...

If you're running a 450cc or larger machine, chain failure isn't just an inconvenience—it's a race-ending catastrophe. The Moose Racing 520 FB delivers the tensile strength and precision engineering to keep you connected to the track, lap after lap,...

A properly matched drive chain is fundamental to consistent power delivery and reliable track performance. The REGINA 520 ZSE combines high carbon alloy steel construction with narrow Z-ring design to minimize friction losses while maintaining the...

A quality drive chain is fundamental to efficient power transfer and consistent acceleration performance. The REGINA 520 ZSE delivers reduced friction and extended durability through precision engineering, allowing you to extract maximum power from your...

A chain is only as strong as its weakest link—and the REGINA 520 ZSE eliminates that weak point. Built from high carbon alloy steel with a narrow Z-ring design, this chain delivers reduced friction and articulation for smoother power transfer and...

A 520-pitch chain demands precision engineering to deliver consistent power transfer without excess friction or premature wear. The REGINA 520 ZSE combines high-carbon alloy steel construction with Z-ring technology to reduce articulation losses, giving...

If you're running 450cc or above, chain failure isn't an option—it's a liability. The MOOSE RACING 520 FB delivers the highest tensile strength in our lineup at nearly 8,000 lbs., engineered through fine blanking precision to eliminate weak points where...