Black Spring loaded chain tensioner FitsFor 49cc 50cc 66cc 80cc Engine Motorized bike

Description: The spring-loaded chain tensioner is designed to keep the chain tight, reducing vibration, snapping, and popping during operation. It can be mounted on various positions on the bike to ensure effective spring action, keeping the chain tight but not too tight. This tensioner also helps in prolonging the life of the nylon tension wheel by preventing excessive wear. Features: 100% Brand New30-day free returnHigh-quality spring-loaded chain tensioner to prevent chain popping and snappingMade from thickened metal, resistant to bending and deformationSuitable for 49cc, 66cc, and 80cc engine motorized bikesMounts directly to the motor with a wide range of adjustments for a perfect fitIdeal for all chain drive applications, including center and rear mount chain drives in gas motorized bicycle kits Packing List: As the picture shows