BuyBits GPS Yoke Cap/Nut Motorcycle Mount for Yamaha FJR 1300 & Adapter for Garmin Nuvi Cradles Yoke 40 fits Yamaha FJR motorcycles - A unique British engineered alternative mounting option for Garmin Nuvi satnav systems. Yoke cap mount base with bespoke adapter which fits most Nuvi GPS cradles / holders. Positions your Garmin centrally. Mount base gives you a 1" (25mm) ball fitting - British engineered - made from High Tensile Anodised Aluminium solid billet. Short arm (1.75 inch (4.45cm) between centres) offers extra reach. Yoke 40 fits caps To Fit Size 28mm Thread Pitch 1.0mm Socket Size 35mm - Colour Black - Height 50mm - Fitting - tighten to manufactures torque setting.