K13-2100 - K-Edge NiteRider Adapter NiteRider Adapter sold separately from K-EDGE "Combo Mount". - Precision Machined 6061-T6 Aluminum - Anodized Gunmetal - Converts a NiteRider Rail Interface to adapt K-Edge GoPro Mounting Interface - Enables compatibility with K-Edge GoBig Mounts and Combo Mounts - 2x M4 Mounting bolts with Nylok included - Compatible with Lumina(TM) Series, Mako(TM) Series - Weight: 11.5 grams