Stay Safe and Protect Your Ride
Threo bike horn keeps your journey worry-free every day. Make every trip secure, alerting others instantly on busy streets. Thieves think twice before approaching your bicycle, giving you peace of mind. Simple controls help everyone use it right away.
Powerful Sound
Pedestrians and drivers hear you clearly from far away. Accidents are avoided because everyone notices your presence quickly.
Anti-Theft Security
Strong alarm stops unwanted hands touching your valuable bicycle. Immediate loud alert means your ride is protected, even when you are away.
Easy USB Charging
Charge anywhere, in minutes, with a computer or power bank. Never worry about buying batteries or running out of power during rides.
Sofia G.
Loud horn helped me through downtown traffic
Brian J.
Quick setup before my morning ride
Victor N.
My husband likes the clear loud beep
Emma F.
Fits my bike and feels durable
Helen C.
Alarm made my grocery stop feel safer
Mark W.
Easy charging saved me buying batteries