Hammerhead Heart Rate Monitor
Hit your training goals and get more out of your Karoo 2 with real-time heart rate data. A washable chest-strap designed for fit and comfort, including conductive rubber electrodes, allows for great connectivity and durability.
- Adjustable, washable, elastic strap
- Strap length: 28”-48” or 711-1219mm
- Weight: 15 grams (pod) 28 grams (strap)
- Connection: 2x Bluetooth channels and ANT+
- R-R Intervals
- 30m (90f) Water-proof
- Electrode material: Rubber
- Strap connector: Side
- Battery life: Approx. 900+ hours
- Battery type: User-replaceable CR2032 3 volts (included)
Free standard shipping within the US.
This product does not ship to South Africa
We gladly accept returns of unworn, unwashed, unused products. Used products are non-refundable.
Orders are processed immediately so please double-check your shipping address.
We may not have the ability to change a mistaken address before the product is dispatched.
Tracking information is sent in 3 to 5 business days.

Get more out of your Karoo 2
The Hammerhead Heart Rate Monitor seamlessly pairs with your Karoo 2, transmitting real-time heart rate data through beautiful, graphical visualizations.
Shop Karoo 2