CAT EYE OHR-31 Heart Rate Sensor
Best comfortable heart rate tracker for dedicated cyclists seeking strap alternatives.
A compact, wrist-based sensor that simplifies heart rate tracking for cyclists. It bridges the gap between dedicated cycling computers and mobile apps, offering reliable data without the discomfort of a chest strap.
$54.95
at
eBay
Who it's for
- Cyclists seeking a dependable connection to their favorite training apps
- Endurance riders prioritizing long-distance comfort and a secure fit
- Frequent trainers who want to minimize frequent battery replacements
Who should skip it
- Users with legacy hardware requiring ANT+ compatibility
- Athletes who prefer low-maintenance or optical arm-band sensors
- Multi-sport athletes needing advanced metrics beyond simple heart rate tracking
Performance breakdown
Connectivity Versatility
Dual Bluetooth and ANT+ support ensures seamless pairing with almost any device.
Battery Endurance
Twenty-four hours of runtime comfortably covers even the longest training sessions.
Ergonomic Comfort
Compact wrist-worn design stays unobtrusive during intense rides and daily workouts.
Tracking Precision
Optical LED sensor delivers reliable heart rate data for standard training metrics.
Charging Convenience
USB rechargeability eliminates the hassle of replacing small, proprietary coin batteries.
Build Reliability
Japanese engineering standards ensure long-term durability backed by a solid warranty.
Key Specs
Sensor Type
Optical LED
Connectivity
Bluetooth 5.0, ANT+
Battery Life
24 hours
Power Source
USB rechargeable
Warranty
2 years
Country of Origin
Japan
Application
Cycling
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