Motorcycle One Way Starter Clutch Bearing For Arctic DVX400 For RXV450 RXV550 SXV450 SXV550 For This one way starter clutch bearing is designed for use with specific motorcycle models including the Arctic DVX400, RXV450, RXV550, SXV450, and SXV550.It functions as a critical component in the starter system, allowing rotational in while preventing it in the opposite direction.The bearing ensures smooth engagement of the starter mechanism and disengagement once the engine starts.It is built to match the specifications for performance and compatibility with the designated models.Installation requires standard mechanical tools and familiarity with motorcycle engine components.This is a compatible aftermarket component.Brand names are cited solely to show which devices it works with.