Fine-tune your Honda Grom or Monkey 125's gearing with the Driven Racing EVO TECH #428 Rear Sprocket. CNC-machined and case-hardened in the USA for maximum durability and smooth power delivery. Available in 34T�40T to optimize for acceleration or top-end speed.
Important � bolt pattern changed in 2022:
California Prop 65 Warning: www.p65warnings.ca.gov
