... color available.Easy mount:screw it to the tyre valve of bikeWithout light sensor control :LED will automatically turn off ... and at night.Color of fiber stick:blue,green,red,yellow for your option.Material:zinc alloySize:15 x 60mmUes ... , new design no need extra adapter now , 100% (some of fake product cannot fit well) fit your wheel , good fit ... 5×24cm ,15kg LED bicycle light flash 32 kinds of patterns