. An Exposure Dynamo powered headlamp that provides up to 800 lumens of super bright, light output Dynamo System. The Dynamo System is the eco-friendly light system that will revolutionise the way you light your bike. The system takes away the necessity of constantly replacing batteries of having to recharge your light. Instead the light is charged via the Revo system that is charged via the turning of your spokes. The Revo system will store ten minutes of energy giving you the stop, and starting time you need to get your spokes turning Intelligent Thermal Management. The Dynamo light is an LED light and therefore it is important to have an intelligent thermal management casing. The patented Exposure technology dissipates the heat built up so that the light’s casing is cool and safe to touch even after extended use Integrated Mounting System. The light comes with an integrated mounting system that is easy to attach to most types of bike frame’s handlebars. The mounting system is secure and will keep the light stabilised even in the most hectic and fast passed environments Features. Made in the UKIntelligent Thermal ManagementDynamo PoweredStand lightIntegrated mounting system800 lumen maximum outputWeighs 110gBuy Exposure Lights from Chain Reaction Cycles, the World’s Largest Online Bike Store.