ROCKET-RAIL Sport Motorcycle GPS and Electronics Mount for Honda CBR250R 43/64" Phenolic Ball Standard for All Garmin Brand Mounting Brackets 1/4" CNC Cut 6061 Aluminum Plate Other GPS or RAM Ball Mounts Available to Match Your GPS Room for Additional Accessories Such as GoPro and ROKFORM No Interference with Switches, Gauges, Keys, or Handlebar Movement