Front: An impressively bright dual-LED cycling light with a rugged machined aluminium body. Integrated cooling fins optimize performance and side cutouts provide side visibility. With up to 600 lumens of output and nine output modes, featuring a Daytime Flash mode, the Micro Drive 600XL is super versatile—day or night. It offers up to 44 hours of battery runtime (nine-hour increase) and charging is easy with an integrated cable-free USB stick. It’s available in two colours (Black, Silver) and its strap mounts securely to most bar sizes and shapes. Rear:Redesigned for our Year 13 collection, the Strip Drive Rear features our new Wide Angle Optics lens that provides up to 270° of visibility. It also features an increase of 27 hours in runtime for a maximum of 57 hours. Its co-moulded construction is more compact, but still boasts five LEDs for up to 150 lumens of output. With 11 output modes, including a Daytime Flash mode, it’s got options for any time day or night. A versatile mounting system attaches to aero or round posts and it’s micro-USB rechargeable.Key Features:Front:Max Lumens: 600,Weight: 97g,Max Runtime: 44 hours,Recharge Time: 2:30 hours,.,.  Rear:Max Lumens: 150,Weight: 53g,Max Runtime: 57 hours (in Femto mode),Recharge Time: 2 hours,..