- #420 Sprocket & Chains | STD Size

YUMINASHI #420 STANDARD SPEC SPROCKET & CHAIN DRIVE SYSTEM
Fits Honda NBC110 / C110 Super Cub Postie Bikes (JA23E Engine) (2013 – 2017)

Restore original factory reliability and smooth drive performance to your Australian Honda NBC110 / C110 Postie Bike with the Yuminashi #420 Standard Spec Drive System. Built to OEM dimensions for the JA23E air-cooled engine, this #420 setup delivers the ideal combination of low rotational mass, smooth power delivery, and extended service life for daily commuting, utility, and high-mileage postal routes.

• Direct OEM Replacement: Manufactured to exact factory specifications for seamless installation on stock NBC110 hubs and countershafts.

• Balanced Street Durability: Delivers maximum wear resistance for daily operation while keeping drivetrain friction minimal on the 109cc motor.

• High-Precision Construction: Heat-treated steel sprockets and high-tensile chain links ensure consistent pitch engagement, reduced stretch, and quiet operation.

Note: #420 chains must be paired with matching #420 front and rear sprockets. Do not combine with #415 or #428 pitch drive components.