CLICK PHOTO ORDER! Tired of the issues with the original Idler Pulley Chain Tensioner provided in your 2-stroke kit! Well, the Manic Mechanic rigid chain tensioner is a versatile & customizable part, that's compatible with dozens of bicycles. Schwinn, Huffy, Genesis, Mongoose and many others. It comes with 2 pre-tapped holes (pick the one that's best for alignment) on the rear; were it mounts flush to the inner-side of the eye-let holes (fender mounting holes usually threaded)They can easily be drilled out with a hand drill if necessary, for larger holes. Then replace the provided bolt with the one needed.Also comes with a variety of strap sizes for different horizontal chain stay tube diameters. Includes Rigid 2024 Aluminum bracket, chain stay mounting strap, adjustable tension-er roller, and all hardware for installation.Works fantastic! and looks great!