... 4, 40 design patterns and 5 word patterns Led bike wheel spoke light with warterproofProduct description;1, Press ... 1, Install 3 AAA batteries per diagrams2, Install bike spoke light unit on front wheel on any spoke ... of bike3 Install the sensor unit on the fork of the front wheel.Make certail the sensor ... installed the unit facing the left side of your bike, the letters will be backwards.To change the ...