Koso 28mm Throttle Body: Honda Grom & Monkey 2022+ sting Padded chin strap with ratcheting

Padded chin strap with ratcheting quick-release closure

Spline Inner Diameter: 11

Prima brand products are designed direct-fit for all popular scooter brands

Dimensions: 19" L x 12" W x 12" H

25"W (bottom) x 12

Koso 28mm Throttle Body: Honda Grom & Monkey 2022+ sting Padded chin strap with ratchetingIncreased Airflow: Koso 28mm Performance Throttle Body Maximize the volumetric efficiency of your 5 speed engine with the Koso 28mm Throttle Body. Specifically engineered for the 2022+ Honda Grom and Monkey 125, this upgrade replaces the restrictive factory unit to allow a higher volume of air into the combustion chamber. The result is a sharper throttle response, improved mid range pull, and increased top end power, making it an essential foundation