EK Chain 520SRO6106 520 x 106 Links SRO6 O-Ring Drive Chain

The EK Chain 520SRO6106 is a 520-pitch, 106-link O-ring sealed motorcycle drive chain from EK's SRO6 series — a value-priced option that delivers reliable performance without sacrificing quality or durability. Made in Japan, this chain reflects EK's longstanding reputation for precision engineering and craftsmanship.

The SRO6 features O-ring seals that lock lubrication inside each link while keeping out dirt, grit, water, and mud — significantly extending service life compared to standard non-sealed chains. The chain is constructed from high-tech heat-treated steel alloys and incorporates lightening holes to reduce overall weight while maintaining strength. A clip-style master link is included for straightforward installation.

Key Features:

• 520 pitch, 106-link O-ring sealed drive chain
• O-ring seals lock in lubricant and lock out grit, water, and mud
• High-tech heat-treated steel alloy construction
• Lightening holes for reduced weight without sacrificing strength
• Average tensile strength rated at approximately 8,400 foot-pounds
• Rated for use on engines up to 650cc
• Clip-style master link included
• Made in Japan

The EK SRO6 520 chain is well-suited for street motorcycles, dual-sport bikes, and ATVs requiring a 520-pitch chain. It offers an excellent balance of affordability and dependable O-ring chain performance for everyday riding.