RK Racing Chain M428H-140 (428 Series) – 140-Link Standard Non O-Ring Chain with Clip Master Link

Meet the RK Racing Chain M428H-140, a 428-series chain crafted for riders who value reliability without sacrificing performance. Made in Malaysia with Japanese steel, it adheres to strict Japanese specifications and features two-point riveted pins and curled bushings. This thoughtful construction delivers smooth operation and long-term durability, even under demanding riding conditions.

Designed with practical performance in mind, the chain is pre-stressed and pre-stretched to reduce the need for frequent adjustments after installation. This means less downtime and more riding time on the street or trail, whether you’re commuting, cruising, or carving through corners on a track-day weekend.

Key strengths at a glance

• Durable construction using premium steel and proven manufacturing methods to handle tough riding conditions.
• 140 links in the standard 428-series format, offering a reliable fit for many street and light off-road setups.
• High strength with a maximum tensile rating of 4500 pounds/feet and a weight of 1.85 pounds per 100 links.
• Non O-ring design with a clip master link for straightforward installation and maintenance.
• Precise geometry: 12.7 mm pin-to-pin center and 24.0 links per foot for predictable performance.

In real-world terms, the RK M428H-140 can be a solid upgrade for riders looking to refresh an aging chain, especially if you prefer reduced friction in dry conditions or want a dependable non O-ring option for everyday riding. It’s compatible with motorcycles up to 125 cc on the street and 80 cc off-road, making it a versatile choice for many lightweight builds.

What riders notice in everyday use

• Smoother operation and steadier acceleration thanks to curled bushings and riveted pins.
• Less downtime due to pre-stressed/pre-stretched design that minimizes frequent adjustments after installation.
• Consistent tension and spacing that support stable throttle control and predictable shifts.

To maximize performance, pair this chain with a quality front and rear sprocket and keep it properly lubricated. The clip master link offers easy installation and serviceability, making routine maintenance straightforward without sacrificing performance.