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.
Zara W.
So simple but way better than I expected. I see my heart rate on the app instantly and it never loses connection!
Sophie H.
I use it every morning and it’s always accurate. It even fits over my cycling shirt with no problem.
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.
Ruby J.
Every time I hop on my bike, I can check my heart instantly. It’s also easy to switch it to another device if I need!
Angela F.
Tracking my workouts is way easier now! The strap is lightweight and doesn’t bother me, even during longer rides.
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.