Marlin's Flip Open Harley Road King Fork Lock Cover Black Face Thermometer (Fahrenheit) This triple chromed cover easily bolts on and helps keep debris out of your fork lock, while still giving you full use of the key lock, no key or lock modifications are required. Top flips open and stays open with hidden spring loaded ball bearing action to reveal lock, stays closed with the same positive locking action. Complete with Lock/Unlock text on base. All units are waterproof, shock resistant and have glow in the dark elements (glowing elements require reasonable exposure to light for activation.) Fits ALL 1994-Current FLHR RoadKing models Marlins Road King flip fork lock cover thermometer is a must for Road King owners. Large Easy to Read Numbers on Face