Engineered for riders who demand precision, reliability, and long-lasting drivetrain performance, the EK 420 O-Ring Chain 136L is a standout choice for motorcycles that rely on a robust, sealed drive. With a 420-pitch design and 136 links, this chain is built to fit a wide range of mid-displacement bikes and scooters that use a 420 chain, delivering consistent power transfer ride after ride.

Key advantages of the EK 420 O-Ring Chain 136L:

• O-ring seals for superior lubrication retention: The sealed design keeps lubricant in and contaminants out, reducing wear and extending chain life in challenging conditions.
• Precise 136-link configuration: Provides a dependable fit for bikes that require a 136L length, ensuring smooth operation and reliable engagement with the sprockets.
• Durable construction for regular riding: Built to withstand high-torque situations, daily commuting, and longer rides without compromising performance.
• Low maintenance compared to non-sealed chains: With lubrication retained inside, you’ll spend less time relubing and more time on the road.

Who benefits most from this chain? Ideal for riders who value longevity and predictable performance across daily commutes, weekend canyon rides, and longer tours. If your motorcycle uses a 420 chain with 136 links, the EK 420 O-Ring Chain offers a direct-fit solution that pairs well with matching EK sprockets to optimize engagement and wear life.

Installation and maintenance tips to get the most from your chain:

• Replace chain and sprockets as a matched set to maximize life and smoothness of operation.
• Follow your bike’s service manual for correct tension and alignment to avoid premature wear.
• Inspect for stiff links or kinks during routine checks; replace if wear indicators show excessive stretch.
• Clean the chain after riding in wet or dusty conditions and apply a light, appropriate lubricant to maintain seal efficiency between rides.

Why choose EK for your 420 chain needs? The EK 420 O-Ring Chain 136L combines proven O-ring sealing with precise construction to deliver consistent power delivery, reduced wear, and a longer service life compared to non-sealed options. It’s the practical, performance-minded upgrade for riders who treat their bike as a trusted daily companion and want a drivetrain that stays dependable mile after mile.