The Niterider Go Pro Adaptor by K-Edge allows for sleek & stealthy mounting compatibility with the K-Edge Go Big Mounts / Combo Mounts & other Go Pro style mount connection interfaces so that you can have your lights & Go Pro attached to a single bracket reducing clutter on your bike. Precision Machined 6061-T6 Aluminum Anodized Gunmetal Converts a Nite Rider Rail Interface to a Go Pro style mount connection Also enables compatibility with K-Edge Go Big Mounts & Combo Mounts M4 Mounting bolts with Nylok included (2x) Compatible with Lumina & Mako Series Lights Mass: 11.5 grams