Stay Safe and Heard Every Ride
Feel confident cycling anywhere using Threo Horn. Motorists and walkers always notice you first, keeping everyone out of danger. Quick USB charging means it is ready when you need it most. Rain or shine, the sturdy build keeps working without fail.
Powerful Alert
A single press reaches 120 decibels, making your signal clear. Everyone around hears instantly, so accidents are easily prevented.
Anti-Theft Security
Activate alarm mode in seconds to guard your cycle. Any attempt to move it triggers a loud warning, stopping thieves fast.
Weatherproof Durability
Rain will not affect performance, thanks to a solid build. The Threo Horn lasts years, saving you hassle and replacement costs.
Sound Level:
120 dB
Sound Modes:
4
Alarm Function:
Yes (Anti-theft)
Power Supply:
USB Rechargeable
Charging Time:
20 minutes
Battery Life:
30–40 days
Standby Time:
180 days
Number of Rings:
3000–4000 times
Connor J.
Loud enough for busy streets, battery lasts nicely.
Noah D.
Makes my evening rides calmer, people actually notice.
Abigail P.
Alarm mode is brilliant outside shops and cafes.
Dylan S.
Rain rides no problem, still blasts clearly every time.
Zoe H.
Compact horn, very handy on crowded park paths.
Katie L.
Easy to mount, horn cuts through traffic noise.
Laura K.
Helps a ton in city traffic, drivers react quickly.
Bethany Y.
Great for my son’s bike, he feels safer commuting.
Natalie F.
Nice sturdy feel, strong sound and simple charging.
Tristan R.
Good loud bell, alarm keeps sneaky hands away.