Duluth Cycle Advanced 2 stroke Motorized Bicycle Chain Tensioner 49cc 66cc 80cc

This chain tensioner improves reliability and reduces noise, ensuring a smooth ride. It mounts over the stock clutch cover for safety and comes with a heavy-duty spring.

• The description claims the chain tensioner is the best in the world.
• The description claims the tensioner is safer and cannot get pulled into spokes at high speeds.
• The description claims other spring-loaded tensioners come with cheap springs that don't provide enough tension.