WIDE (87% Efficient/FWHM 40Adeg) Delivers a rectangular beam with enhanced peripheral vision and reduced vertical spread. Excellent efficiency for a wide-angle optic. Perfect for road use when paired together, or combined with spot/flood optics for versatile trail lighting. Replacement lenses specifically designed for Gloworm X2/XS lights Spare optics are model specific Model X2/XS Optic Wide Description Wide Optic for X2/XS Light Models Color Clear Lens Type Wide