The KC HiLiTES FLEX ERA 3 Performance Yellow Combo Beam Lens (SKU 4268) is a replacement optic for KC's FLEX ERA 3 LED pod, which features a bold triangular design, interchangeable lenses, and a signature amber backlight. Unlike a clip-on cover, this lens is a direct replacement for the lens in the light itself.
The combo pattern blends spot and spread optics, and the manufacturer describes it as giving you both width and depth in illumination. The yellow tint is aimed at murky conditions, since the vibrant yellow tint optimizes visibility, especially in dust and similar conditions. The lens also protects light internals from the elements, which matters on rough trails. Compared with a snap-on amber shield, a lens swap changes the optic itself, so you get a different beam pattern rather than only added protection.
This lens is made only for FLEX ERA 3 lights, so check your pod generation before ordering. The manufacturer frames the Performance Yellow lens as an off-road part, and it advises against putting SAE selective-yellow lenses on off-road FE3 units, noting that the internal optics of both lights are completely different and simply changing the lens will not make an off-road light street-legal. Owners who have swapped lenses describe three Allen screws holding the lens in place, and one owner notes that the existing gasket can be reused. The manufacturer also recommends that lens swaps be done in a clean and controlled environment.
According to the manufacturer, this lens is made for FLEX ERA 3 LED lights and works as a direct replacement for the lens already in the light. Confirm your light is a FLEX ERA 3 before ordering.
The manufacturer treats the Performance Yellow lens as an off-road part. It states that changing the lens does not make an off-road light street-legal, so on-road use should be confirmed with the manufacturer.
The manufacturer distinguishes the two: the Performance Yellow lens replaces the lens inside the light, while the Amber Shield is a snap-on cover.
Owners describe this as a manageable lens swap that needs a hex key rather than wiring work. Remove the three Allen screws holding the lens, swap in the yellow lens, and reuse the existing gasket on the light. The manufacturer publishes a FLEX ERA 3 bezel and O-ring instruction sheet, so keep it handy for the seal. Work in a clean area so dust does not get trapped behind the lens, and seat the O-ring carefully before tightening. Owners on user forums report that the swap is quick once you have the right tools on hand.