2021 Harley-Davidson Road King Models
2021 Road King & Road King Special CarPlay Bypass
Both the 2021 Road King and the blacked-out Road King Special run Harley's Boom!Box GTS infotainment behind that fork-mounted fairing, so despite the classic styling, the CarPlay limitation is the same one every GTS-equipped tourer faces — Bluetooth audio only, no wired screen mirroring.
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About 2021 Harley-Davidson Road King Models
Riders drawn to the Road King's stripped-down touring stance often assume the smaller fork-mounted fairing means simpler electronics, but the GTS dash tucked behind that windscreen is the same unit found across the touring lineup — and it blocks wired CarPlay just as thoroughly as any batwing-equipped bagger.
HogPlay's Boom!Box GTS bypass paired with a Media Box unlocks the factory screen on either the standard Road King or the blacked-out Road King Special, with identical parts covering both trims.
