The RK 428 MXZ1 Mini Racing Drive Chain is engineered for mini motocross and supercross racing applications. This 120-link chain is built for riders and teams seeking dependable power transmission, strong construction, and consistent performance under demanding racing conditions. The natural-finish chain is designed for compatible mini MX and SX drivetrains using a 428 chain size.
Chromoly steel construction provides a durable foundation for racing use, while seamless rollers and bushings support smooth operation and reliable engagement with compatible sprockets. Oversized special-alloy pins add strength to the chain assembly, helping it withstand the repeated loads and impacts associated with competition riding. The chain may be suitable for mini motorcycles, pit bikes, and other applications requiring a compatible 428 racing chain; verify the motorcycle model, sprocket configuration, chain length, and manufacturer fitment specifications before installation.
Manufactured by RK and identified by manufacturer and vendor part number 428MXZ1-120, this chain is supplied with 120 links for installation and adjustment according to the specific drivetrain setup. Proper alignment, lubrication, and tension are essential for optimal service life and performance. Always follow the motorcycle manufacturer’s service procedures and confirm compatibility with the complete drivetrain before use.
Features:
- Size: 428 chain size for compatible mini motorcycle drivetrains
- Model: MXZ1 heavy-duty mini racing chain
- Link Count: 120 links for adaptable installation on compatible applications
- Construction: Durable Chromoly steel construction
- Rollers and Bushings: Seamless design for smooth and consistent chain operation
- Pins: Oversized special-alloy pins for added strength
- Application: Designed for mini motocross and supercross racing
- Brand: RK
- Manufacturer Part Number: 428MXZ1-120
- Vendor Part Number: 428MXZ1-120
- Finish: Natural