Insta360 Bike Headset Cap Mount for X3, X4, X5, Ace/Ace Pro, GO 3/3S. Lightweight Easy to Use Adjustable

Use with a 360º Insta360 action camera and the Action Invisible Selfie Stick for impossible third-person angles This mount is only compatible with the Insta360 Action Invisible Selfie Stick Use with a wide-angle Insta360 action camera for immersive first-person POVs Comes with everything you need for easy at-home installation Sits securely on your bike's head tube, replacing any standard 28.6mm (1-1/8in) headset top caps