Starter Clutch Reduction Gear 9T/19T For TRX 450ER 2006-2014 CRF 450X 2005-2016 28120-1-602 This starter clutch reduction gear is designed for use with specific off-road motorcycle models.It features a 9T and 19T gear configuration and serves as a direct replacement for the component.The gear is engineered to fit models from 2005 to 2016, compatibility with the specified engine and transmission systems.Constructed to meet standard specifications, it supports engagement and smooth of the starting mechanism.This part is intended for use in motorcycling applications requiring internal components. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.