3-3/8" GPS Speedometer | 120 MPH | BMW Design R3-S1-BMW PINPOINT SPEED. ZERO CALIBRATION. Speedhut’s GPS speedometer delivers instant, real-time accuracy—no sensors, no gear ratios, no tire size input. Just connect power, mount the waterproof antenna, and drive. It locks onto free worldwide GPS signals... $351.08
3-3/8" GPS Speedometer | 200 km/h | BMW Design R3-S2-BMW PINPOINT SPEED. ZERO CALIBRATION. Speedhut’s GPS speedometer delivers instant, real-time accuracy—no sensors, no gear ratios, no tire size input. Just connect power, mount the waterproof antenna, and drive. It locks onto free worldwide GPS signals... $351.08