RK Chain 428-140 Standard Non O-Ring Motorcycle Drive Chain 140 Links

The RK Chain 428-140 is a standard non O-ring motorcycle drive chain featuring 140 links, designed for small displacement motorcycles, dirt bikes, ATVs, and go-karts. Part of RK's proven M-series lineup, this chain delivers reliable performance and exceptional value for street and off-road applications up to 125cc.

Key Features:

• 140-link standard non O-ring chain in 428 pitch
• Manufactured in Malaysia using Japanese steel meeting all Japanese specifications
• Solid rollers and bushings with quad-riveted pins for extended wear resistance
• Pre-stressed and pre-stretched for better performance with fewer adjustments
• Special coating treatment provides 40% increase in chain life
• Clip-style master link included for easy installation
• 4,500 lbs tensile strength rating
• 16.85mm pin length with 12.7mm pin-to-pin center spacing

Specifications:

• Maximum engine size: 125cc street / 80cc off-road
• Weight: 1.85 lbs per 100 links (approximately 2.6 lbs total)
• 24.0 links per foot
• Master link type: Clip

RK has been manufacturing premium motorcycle chains since 1953 and supplies major OEM manufacturers including Honda, Suzuki, Yamaha, Kawasaki, and Triumph. The RK M-series chains are engineered to outperform most competitors' heavy-duty chains while maintaining affordability, making them an excellent choice for riders seeking quality and value.