The RK Excel GB420MXZ-132 MXZ Mini Racing Drive Chain is engineered for mini motocross and supercross racing applications. This gold-finished 420 chain features heavy-duty Chromoly steel construction, seamless rollers and bushings, and oversized special-alloy pins for increased strength and durability. With 132 links, it provides a reliable replacement option for compatible mini racing drivetrain systems.
Designed for off-road motorcycles with engines up to 150cc and 30 horsepower, the RK Excel MXZ chain delivers dependable power transfer under demanding racing conditions. Its compact 420 chain design supports a maximum chain width of 17.2 mm while maintaining the strength required for competition use. Verify sprocket compatibility, chain length, and manufacturer fitment specifications before installation.
The RK Excel GB420MXZ-132 includes a clip-type master link for convenient installation and service. This chain is intended for compatible mini MX and SX motorcycles and should be installed, adjusted, lubricated, and maintained according to the motorcycle and chain manufacturer’s recommendations. The manufacturer part number is GB420MXZ-132, and the vendor part number is 691-10005G.
Features:
- Application: Heavy-duty drive chain for compatible mini motocross and supercross racing motorcycles
- Chain Size: 420 series with 132 links
- Construction: Chromoly steel with seamless rollers and bushings
- Pin Design: Oversized special-alloy pins for enhanced strength
- Tensile Strength: 4,980 pounds
- Engine Rating: Suitable for off-road engines up to 150cc
- Horsepower Rating: Supports applications up to 30 horsepower
- Maximum Chain Width: 0.677 inches
- Master Link: Clip-type master link included
- Brand: RK Excel
- Manufacturer Part Number: GB420MXZ-132
- Vendor Part Number: 691-10005G
- Fitment: Compatible with select mini MX and SX racing motorcycles; verify application specifications before purchase