Wide Angle Lens for Cree Powered 900 Lumen XM-L T6 LED Bike Light Set. Fits SB1. Widen Your View: This lens diffuses a narrow spot light into a wide angle lens for better peripheral view No Tools Required: Installs in seconds. Simple instructions provided in the description below Lifetime Warranty: Stupidbright&trade; backs this product 100%. If for any reason this lens break, we will replace yours free of charge. Fits On Multiple Brands: These lenses were designed to fit the Stupidbright SB1 and similar Magic Shine 900 lumen bike lights