 B&M Lumotec IQ hub dynamo light has 40 Lux SLED |
 Rear view shows pivot mount and three-way switch |
 Petzl strap-on red LED light promises 120hrs run time |
 Reelight front and rear LEDs are powered by spoke magnet |
 KNOG lights use moulded, stretchy rubber straps for maximum applicability |
