when for example riding on the track or negotiating a technical mountain road

high pressure bonding between the grille and frame

Folds away discreetly when not in use

Functions:

Made of massive aluminium

Signalhorn - Denali SoundBomb Original Dual-Tone bmw-r_1100-s when for example riding onSoundBomb Original Dual Tone Air Horn Product Description LOUD! Stylish! Rugged! Producing an earsplitting 120 decibels of sound, the SoundBomb is 4 times louder than a standard motorcycle horn and twice as loud as a standard car horn! The DENALI SoundBomb was designed for those who want to be heard, but still want to maintain a stylish look. Thanks to its compact design and blacked out housing, the SoundBomb will practically disappear once installed.