Honda Grom 428 EVO TECH Rear Sprocket

Driven Racing EVO TECH Rear Sprocket for Honda Grom and Monkey 125

The Driven Racing EVO TECH rear sprocket is designed for the Honda Grom and Monkey 125, allowing riders to fine-tune their gearing for improved performance. This part provides a practical solution for those looking to adjust their bike's acceleration and speed capabilities. Made in the USA, it features CNC-machined and case-hardened steel for reliable performance. It is one of the Honda scooter parts that can significantly impact your riding experience, ensuring you get the best out of your machine.

Construction and Durability

This rear sprocket is made from case-hardened steel, offering strength and reliability. The CNC-machined design ensures precision in fit and function, contributing to smooth power delivery during rides. Being made in the USA, it meets high standards for quality and performance.

Gearing Options

The EVO TECH rear sprocket is available in several tooth counts: 34T, 35T, 36T for models 2014-2021, and 38T, 39T, 40T for 2022 and newer models. Increasing the number of teeth improves low-end torque and acceleration, making it ideal for city riding. Conversely, reducing teeth allows for a higher top speed, which is advantageous for longer, straight stretches of road.

Specifications

• Chain Size: #428
• Inner Diameter: 58mm
• Diagonal Bolt Spacing: 89mm
• Material: Case-hardened steel

Fitment

This rear sprocket fits various Honda models equipped with a #428 chain. It is compatible with:

• Honda Grom (2014-2021)
• Honda Monkey 125 (2014-2021)
• Honda Grom (2022+)
• Honda Monkey 125 (2022+)
• Honda CR 80R (1985)
• Honda CT 70 (1969–1994)
• Honda XL 80S (1980–1986)
• Honda XR 70R (1997–1999)
• Honda ZB 50 (1988)

Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.

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