Exposure MaXx-D Mk5 - $419.95

When it comes to 24-hour racing, lighting is one of the most important aspects. The wrong setup can cause fatigue not just to the body, but to the eyes as well. When you match the 1600 Lumen MaXx-D Mk5 with an 1100 Lumen Diablo helmet light, the combination offers very low weight to thwart physical fatigue -- and the combined beam pattern will help reduce eye strain. But, the MaXx-D is powerful enough to use alone. Its aerospace grade, exquisitely CNC'd aluminum body mounts to your handlebars via a small, but sturdy CNC-machined aluminum clamp assembly for 31.8mm bars, and it includes a shim for 25.4mm bars. The clamp features a spring loaded button that holds it securely for trail use or over broken pavement. When you need to remove the light for charging you simply pull the red button and the lamp unit slides right out That CNC'd aluminum body isn't just for high-end looks, though. It's actually designed to help heat transfer -- to physically cool the light. Packing four Cree XPG R5 LED's, the MaXx-D Mk5 can get toasty. One way the heat buildup is managed is through the body; the other way it's managed is with Exposure's patented Intelligent Thermal Management (ITM). If the internal temperature gets too high, ITM kicks in and automatically drops the power level down to the next lowest setting. It will remain at the lower setting until the temperature inside the housing returns to normal operating range. This, and the weatherproof aluminum housing with O-ring seals, ensure the light's 11600mAh battery and LED bulbs are safe from moisture, muck, and heat for a long life span. A defining feature found here on the MaXx-D Mk5 is Exposure's Smart Port Technology Plus. Essentially, it's a cylindrical plug on the back of the lamp unit that allows you to insert the smart charger. But it also enables you to plug in accessories like a red LED tail light and back-up batteries, or to charge other USB-powered devices. - $419.95

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