Yoke 50 - A unique British engineered alternative mounting option for the TomTom Rider v5 (widescreen version); Yoke cap mount base with 4 hole AMPS layout adaptor plate which the TomTom Rider dock screws to. Note: Rider dock NOT supplied. * The yoke cap mount base replaces the yoke cap or nut. Positions your Rider centrally in the perfect viewing position. * British engineered - made from High Tensile Anodised Aluminium solid billet. Supplied: 1 x Yoke 50 cap mount base; 1 x AMPS adaptor with 1" ball socket (female); 1 x screw pack (4). * To Fit Size: 22mm Thread Pitch 1.00mm Socket Size 30mm; Colour: Black; Height: 50mm; Fitting - tighten to manufactures torque setting.