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.

















Max C.
I love how durable it feels. I use it in both sun and rain and it never quits. Fits well and easy to wash too.
Angela F.
Tracking my workouts is way easier now! The strap is lightweight and doesn’t bother me, even during longer rides.
Miles P.
I like how I can pair it with multiple devices. Always accurate during tough hill climbs, and no discomfort at all for hours.
Ben M.
Works well and stays comfortable, easy to set up.
Megan L.
No issues pairing, comfortable for daily rides.
Grace V.
Light, simple, and accurate during cycling trips.
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.