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.
















Ella M.
Super soft band! I wear it during long rides and forget I even put it on. The real-time updates keep me pushing harder.
Lucas T.
It’s simple to use, connects instantly to my watch, and I love being able to track my progress so clearly.
Hannah G.
Been cycling with this all month and my stats are always accurate. The band stays in place and I don’t even notice it’s there.
Jeremy B.
This chest strap is comfy and gives spot heart rate readings every ride. Love how easy it connects to my phone. Highly recommend.
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.
Grace V.
Light, simple, and accurate during cycling trips.
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!