The Blinder MINI Niner , so called for its array of 9 LEDs. These surface mounted LEDs punch well above their weight, with the 20/11 lumens for front/rear getting you seen from over 800m away. comes with an integrated reflector face for added safety, and comes in 2 different colours. With a weight of only 18 grams the light uses its tool-less attachment to securely connect to handlebars and frames of 22-32 mm. Designed to fit both standard and oversize handlebars and aero style seatposts. LIGHT OUTPUT FRONT 20 lumens // REAR 11 lumens DIMENSIONS 31 x 31 x 14mm WEIGHT 18g Front Steady 2.5 hrs, Strobe 4hrs, Fading Flash 3.8 hrs, Rear Steady 2.2 hrs, Strobe 3.5hrs, Fading Flash 3.2 hrs, Lightning Flash 4.5 hours