CygoLite Tridenx 1300 X tra OSP Cycling Light. Not every motorist out there is totally bright...that's why you need to be. See and be seen with the Cygolite Tridenx 1300 Xtra OSP cycling light. Its 1300 lumens of Cree LED power and 8 modes give you the power you need to announce yourself out on the road. This light is water resistant so don't sweat the weather, and with up to 40 hours of use on a single charge, you could make a full time job of night riding and still only charge once a week or so.