Magene H803 Optical Armband Heart Rate Monitor
Magene H803 Optical Armband Heart Rate Monitor
- 4.9 from 782 Google reviews
- Independent Bike Dealer of the Year 2025, BikeBiz Awards
- UK delivery from £4.99, or free collection from our Bow shop at E3 3XS.
- Checked by our team before it leaves us
Collecting instead? Email us or message us on WhatsApp before you visit, so we can have it ready for you.
Ditch the chest strap.
For riders who find chest straps uncomfortable on long rides, the H803 is a compelling alternative. Worn on the forearm, it uses optical sensors to measure heart rate accurately without any restrictive banding around the chest. Magene is a specialist brand offering serious performance-data tools at a fraction of Garmin or Wahoo pricing, and we've curated the range for riders who want reliable data without the premium-brand price tag.
Why We Chose This for Our Customers:
- Optical forearm measurement: comfort-first alternative to chest straps
- ANT+ and Bluetooth 5.0 dual connectivity
- Rechargeable battery with USB-C charging
- Adjustable soft armband with secure fit
- Works with Garmin, Wahoo, Zwift and all major training platforms
Ideal for: Long-distance riders, audax cyclists and anyone who finds chest straps uncomfortable.