The RAM-B-342-366 consists of a fork stem base, double socket arm and 1" diameter rubber ball, connected to a round plate with 1/4"-20 camera thread. The RAM® Motorcycle Fork Stem Base is one of the cleanest and most popular solutions for mounting your device cleanly on the center of your bike. This part is designed to fit into the cylindrical bore wall of fork stems and will work with stems that measure from 12 - 38mm (.5” – 1.49”).
(1) Expansion Plug for 12mm - 38mm (.5" - 1.49") Fork Stem Holes
(1) M5 x 60mm Machine Screw
(1) Steel Washer Set
(1) Nut Pocket Washer Set
(1) Brass Nylock Nut