The Serfas Handlebar Replacement Bracket is a universal mount that fits all current headlights with a removable bracket. It is adjustable to fit handlebars up to 31.8mm in both horizontal and vertical positions and can be easily removed from the bike without the need for tools. This replacement bracket is suitable for use with a variety of Serfas headlights, including the TSL-100, TSL-150, TSL-200, TSL-250, TSL-500, TSL-1000, TSL-1500, SL-155, SL-255, USL-155, USL-305, USL-505, TSL-350, TSL-550, TSL-750, TSL-T1000, TSL-LT1000, TSL-1200, TSL-1800, TSL-2500, HL-1.1, and SL-30WP. It is not compatible with the SL-200 or SL40WP. When installing the bracket, it is important to pay attention to the tightness of the strap and to adjust it properly to prevent micro-tearing, excessive stress, and damage to the rubber strap. It is also recommended to remove the light and mount from the bike and store them properly when not in use to extend the lifespan of the rubber strap.