RK Chain 428H-120 Heavy Duty Motorcycle Chain 120 Links

The RK Chain 428H-120 is a heavy-duty, non-sealed motorcycle drive chain designed for reliable performance on street bikes up to 200cc and off-road applications up to 125cc. Manufactured in Malaysia using premium Japanese steel, this 120-link chain delivers exceptional durability and value for motorcycles that did not originally come equipped with O-ring style chains.

Key Features:

• 428 pitch heavy-duty design with 120 links and natural finish
• Solid roller construction with solid bushings for extended wear resistance
• Quad-riveted pins with two-point pin riveting for maximum strength
• Pre-stressed and pre-stretched for better performance with fewer adjustments
• Specially formulated grease to extend chain life up to 40%
• Impressive 5,400 lbs tensile strength rating
• Includes clip-type master connecting link for easy installation

Technical Specifications:

• Chain size: 428H with 120 links
• Pitch: 12.7mm (1/2 inch) pin-to-pin center
• Pin length: 16.85mm
• Weight: 1.85 lbs per 100 links (approximately 2.22 lbs total)
• Maximum engine displacement: 200cc street / 125cc off-road
• Master link: Clip-type included

RK Chain has been producing high-quality motorcycle chains since 1953 and has supplied OEM chains to major manufacturers including Honda, Suzuki, Yamaha, Kawasaki, and Triumph. This chain meets all Japanese manufacturing specifications and provides excellent performance for everyday riding applications.