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.
















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.
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.
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.
Lucas T.
It’s simple to use, connects instantly to my watch, and I love being able to track my progress so clearly.
Grace V.
Light, simple, and accurate during cycling trips.
Ben M.
Works well and stays comfortable, easy to set up.
Megan L.
No issues pairing, comfortable for daily rides.
Lucas D.
Super reliable for tracking my heart when I’m cycling, plus I never have to worry about charging it for many rides.
Chloe K.
Really helps me understand when to push and when to slow down. Love the soft material—it’s never itchy or tight.
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.