. The Blinder Mini Chippy is so called because of the Chips on Board technology used to give a panel of light. These surface mounted LEDs punch well above their weight, with the 20 Lumens on the front and 11 lumens on the rear getting you seen from over 800m away. The Blinder Mini Chippy Light Set comes with integrated reflector faces for added safety and with a weight of only 18 grams each the lights use a tool-less attachment to securely connect to handlebars and seatposts. It is designed to fit both standard and oversized handlebars and seatposts as well as aero style seatposts Features: Front Light Output: 20 Lumens Rear Light Output: 11 Lumens Modes: Steady, strobe, fading flash, lightning flash, eco flash Front Runtime: Steady: 2.5hrs; Strobe: 4hrs; Fading Flash: 3.8hrs; Lightning Flash: 3.5hrs; Eco Flash: 11 5hrs Rear Runtime: Steady: 2.2hrs; Strobe: 3.5hrs; Fading Flash: 3.2hrs; Lightning Flash: 4.5hrs; Eco Flash: 11hrs Weight: 18g eachBuy Knog Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.