The Grid 2'Fer is the combo you need for all riding styles. This light works hard, pulling double duty as either a front light with 175 lumens or a rear light with 55 lumens, supported by COB technology and four modes. Side visibility ring glows amber in front mode and red in rear modeTHE 2'FER'S GOT YOUR SIX (OR YOUR TWELVE)The Grid 2'fer is a high-powered front and rear light. A quick double-click of the power button switches it from white to red. With four mode options, you can choose if you need high lumen power or extended run time. Ready for those commuting in the city, riding the open roads, or heading to their local trail.