The dots surface mounted leds punch well above their weight with the 2011 lumens for frontrear getting you seen from over 800m away dot vain as she is has a faceplate for added style with a weight of only 18 grams the light uses its tool less attachment to securely connect to handlebars and frames of 22ndash32mm designed to fit both standard and oversize handlebars and aero style seatposts light output 20 lumens dimensions 31 x 31 x 14mm weight 18g storage mode