Street Bike O'Ring Type Chain

If your motorcycle originally shipped with an O-ring chain, upgrading to this PARTS UNLIMITED 520 O-ring series is a straightforward way to extend maintenance intervals and reduce drivetrain wear. The quad pin riveting and shot-peened construction...

If you're running an O-ring chain setup, this is the upgrade you've been waiting for. The Parts Unlimited 520 O-Ring Series delivers 50% longer wear life than factory O-ring chains and dramatically outlasts standard chains—meaning fewer replacements and...

If your bike originally came with an O-ring chain, this is the upgrade you've been waiting for. The PARTS UNLIMITED 520 O-Ring Series delivers 1.5x longer wear life than standard O-ring chains and a staggering 12x advantage over non-sealed...

If you're running a motorcycle originally equipped with an O-ring chain, upgrading to this Parts Unlimited 530 O-Ring Series drive chain delivers measurable improvements in durability and service life. The quad pin riveting, solid bushings, and...

A worn or inadequate drive chain limits your bike's reliability and performance, forcing you to choose between frequent replacements and compromised power delivery. The PARTS UNLIMITED 530 O-Ring Series delivers the durability you need to stay focused on...

A reliable drivetrain chain is foundational to any high-performance build—weak links literally compromise power transfer and accelerate wear across your entire transmission system. The RK 530 Max-O delivers the tensile strength and sealed construction...

A high-performance chain is the backbone of reliable power transmission, and the RK 530 Max-O delivers the tensile strength and durability demanded by serious riders. Whether you're pushing your machine on the street or tackling demanding off-road...

A high-performance chain is only as strong as its weakest link—literally. The RK 530 Max Series delivers the tensile strength and durability demanded by serious racers and track-focused builds, with Japanese manufacturing precision that ensures...

A chain is only as strong as its weakest link—and the EK 630 SRO Series eliminates that weakness. This O-ring chain delivers the durability and efficiency of premium racing chains without the premium price tag, making it the smart choice for racers and...

A chain is only as strong as its weakest link—and the RK 520 Max-O eliminates that weakness entirely. Built with premium sealed O-rings and Japanese manufacturing precision, this chain delivers the tensile strength and durability demanded by both street...

A reliable chain is the backbone of any high-performance drivetrain, and the RK 530 Max-O delivers the tensile strength and durability you need for both street and off-road riding. With premium sealed O-rings engineered to retain lubrication and resist...

A reliable chain is the backbone of any high-performance drivetrain, and the RK 530 Max-O demands respect. This sealed O-ring chain delivers the tensile strength and durability required for both aggressive street riding and demanding off-road conditions,...

A quality chain is non-negotiable for reliable power transmission, and the EK 630 SRO Series delivers performance-grade durability without the premium price tag. The O-ring seals trap lubrication where it matters while blocking out contaminants,...

A reliable 630 chain is non-negotiable for high-performance applications where power transfer and durability are critical. The EK 630 SRO Series delivers O-ring sealed construction that maintains consistent lubrication while keeping contaminants out—all...

A chain is only as strong as its weakest link—and the RK 520 Max-O eliminates that vulnerability. Built with extreme tensile strength and sealed O-ring construction, this Japanese-manufactured chain delivers reliable power transfer whether you're pushing...

A high-performance chain needs to handle extreme loads while maintaining reliability across thousands of miles. The RK 520 Max-O delivers the tensile strength and durability required for both street and off-road applications, backed by Japanese...

A chain is only as strong as its weakest link—and the RK 520 Max-O eliminates that weakness. Built with premium O-ring seals and Japanese manufacturing precision, this chain delivers the tensile strength and durability demanded by both street and...

A chain is only as strong as its weakest link—and the RK 520 Max-O eliminates that weak point. Built with sealed O-rings to withstand extreme conditions and engineered for maximum tensile strength, this chain delivers the durability and reliability...

A high-performance drive chain is non-negotiable for any serious racer or enthusiast who demands reliability under extreme conditions. The RK 520 Max-O Chain delivers the tensile strength and durability required for both street and off-road applications,...

A quality chain is the backbone of your drivetrain—weak links literally break under load, costing you races and reliability. The RK 520 Max-O delivers premium Japanese engineering with sealed O-ring construction that handles both street and off-road...