Accurate Tracking For Every Ride
Easily see your fitness improve with every training session. The Threo cycling heart rate monitor helps you push further each session. Enjoy constant feedback for a healthier lifestyle. Gain confidence and hit your goals faster.
Precise Readings
Instantly check your effort with reliable real-time data. Stay safe by knowing exactly when to slow down or speed up.


All-Day Comfort
Soft strap feels gentle and light against your skin. Focus fully on cycling without any distractions or irritation.
Universal Connectivity
Seamlessly pairs with phones, watches, and bike computers. Switch activities without losing important tracking information.

















Ben M.
Works well and stays comfortable, easy to set up.
Lucas D.
Super reliable for tracking my heart when I’m cycling, plus I never have to worry about charging it for many rides.
Zara W.
So simple but way better than I expected. I see my heart rate on the app instantly and it never loses connection!
Kevin A.
Couldn’t be happier. The strap feels invisible under my jersey and records my heart rate every second I ride.
Amy J.
Accurate numbers every single run and ride. Plus, no itch at all, even when I’m sweaty. Really happy with this strap.
Oliver S.
This one never slips around. It fits perfectly and shows exactly how my heart is doing even when I switch between phone and bike computer.
Megan L.
No issues pairing, comfortable for daily rides.
Grace V.
Light, simple, and accurate during cycling trips.