BuyBits 12mm Hexagon Stem Mount & Adapter for Garmin Nuvi fits Honda Blackbird & Kawasaki Motorcycles Alternative mounting with 12mm Hexagon Hole fitting for Honda Blackbird and many Kawasaki Motorcycles. Includes ball adapter which fits most Garmin Nuvi cradles / holders. Use with your own cradle. Holder not supplied. Unique central position with short arm (1.75 inch (4.45cm) between centres) 12mm hexegon fitting for sports bikes - British engineered - made from Anodised Aluminium. Simple allen key fitting. Mount base gives you a 1" (25mm) ball fitting to which the arm / adapter attaches.