Enhance the appearance of your original gas tank with a sleek flush mount pop-up gas cap! The HogWorkz Flush Mount Pop-Up Gas Cap is a clean, low-profile design for individuals who like a tank with a sleek, stealthy appearance. Simply push in the cap and rotate it left a quarter-turn to pop it or right to lock it. The outer ring's knurled surface makes it easier to open and close on the move. Designed for use on a range of motorcycles with screw-in tanks that require vented tops!