Ride Safer And Protect Your Bicycle Everywhere
Stay confident during busy journeys using this compact handlebar device. Powerful sound options cut through traffic noise and grab attention fast. Smart motion detection scares thieves away before they touch anything. Waterproof housing and rechargeable battery keep protection ready daily.
Instant Audible Warning
Adjustable tones reach up to 130 decibels for visibility. Drivers notice the signal quickly, preventing dangerous last-second reactions.
Active Theft Deterrent
Sensitive vibration monitoring triggers a piercing alarm during tampering. Parked cycles stay guarded, discouraging opportunistic criminals from hanging around.
Everyday Riding Convenience
Threo bell charges through USB, delivering weeks between top-ups. Simple strap mounting suits most handlebars, keeping the Threo horn positioned perfectly.
Martin K.
I put this alarm on my commuter bike and the loud warning made a guy step back when he bumped it outside the cafe
Laura P.
Charges fast and sits neatly on my bars
Chris R.
Easy strap setup before my morning ride
Nina S.
Bought one for my husband and he likes it
Tanya M.
The sound is sharp enough for traffic
Derek H.
The bell got cars noticing me sooner
Owen B.
Rainy rides have not bothered my alarm
Maya L.
My bike feels safer outside the gym