Akozon quad chain tensioner + tension adjuster guide roller slider for dirt pit mini bike motorcycle, kettenspanner singlespeed pocket spring loaded 4 strok

This chain tensioner automatically adjusts during the ride using a very strong torsion spring in which the tension is fully adjustable. Comes with pulley, bracket, nut and clamp spring to create a complete tension adjustment kit for ease of use This chain tensioner is made of high quality material which is very durable. This chain tension adjustment set is suitable for use with most chain sizes. It is necessary for all serious drivers. It ensures the correct tension and alignment of the chain and prevents chain deraillement, excessive wear of the chain and prolongs the life of the chain.