Cygolite TridenX LED Li-Ion Xtra Rechargeable Bicycle Lights
The TridenX Li-Ion Xtra was made for 24 hour races and competitive night riding. HID Bright and LED tough, this system features an all new High-Capacity Li-Ion frame mount battery pack that last 5 to 24 hours on a single charge. New 3rd generation High-Brightness LEDs make it as bright as an HID, while the 8 modes and 3 stage battery level indicator make it the best. At only 410 grams on the bike this lighting system will power through numerous laps without weighing you down.