Driven Racing 420 Rear Steel Sprocket – Honda Grom (All Years) & Monkey 125 2022+

Driven Racing 420 Rear Steel Sprocket – Honda Grom & Monkey 125

Dial in your gearing with the Driven Racing 420 Rear Steel Sprocket, purpose-built for all generations of the Honda Grom and the 2022+ Honda Monkey 125. Crafted from high-quality steel for maximum durability and consistent power transfer, this is a straightforward, reliable upgrade for street riders looking to fine-tune acceleration or top speed.

Features

• Steel Construction – Built to withstand the demands of street and light track use
• 420 Chain Pitch – Direct replacement for stock 420 chain setups
• Multiple Tooth Options – Choose your tooth count to optimize for acceleration or top speed
• Direct Bolt-On Fitment – No modification required for compatible models

Compatibility

• Honda Grom – All years (OG, SF, JC92, 2025+)
• Honda Monkey 125 – 2022 and newer

Gearing Guide

• More teeth (larger sprocket): Increased acceleration, lower top speed
• Fewer teeth (smaller sprocket): Higher top speed, reduced low-end pull