The Hammerhead Karoo 2 is a great alternative to Garmin and Wahoo. Easy to use, reliable, and ideal for road or gravel cyclists.
Navigation is where this unit stands out. You can create routes quickly or follow ones from Strava or other platforms, with no paid subscription required. If you go off course, it automatically and quickly re-routes you without any fuss.
Seamless Strava integration means your rides upload automatically once you’re done.
Simple setup. Mounts neatly to the front of your handlebars using the included mount. Turn it on and ride. Fully customisable screens to suit how you ride.
Connects easily to sensors like heart rate monitors and power meters. Works with SRAM systems out of the box, and compatible with Shimano Di2 using a free third-party plugin.
If you’ve been considering a Garmin Edge or Wahoo Elemnt Bolt but want something a bit more affordable and more intuitive with better mapping, this is well worth a look.
Condition
This is a used unit in very good condition, fully tested and working perfectly. It has been well cared for, with battery performance still comparable to when it was new. The screen is clear, buttons function as they should, and the device holds charge properly.
Included
- Hammerhead Karoo 2 head unit (original)
- Hammerhead Karoo 2 retail box (original)
- Hammerhead Karoo 2 out-front mount (original)
Note
Multiple units are available at the time of listing. Each is in similar condition but may have minor cosmetic differences. Photos show the typical condition you can expect, though small variations between units may exist.

![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-main.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 GPS Bike Computer [Used] - Image 2](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-screen.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 GPS Bike Computer [Used] - Image 3](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-rear.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 GPS Bike Computer [Used] - Image 4](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-front.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 GPS Bike Computer [Used] - Image 5](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-side-2.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 GPS Bike Computer [Used] - Image 6](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-side-1.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 screen Hammerhead Karoo 2 GPS Bike Computer [Used]](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-screen-610x610.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 rear Hammerhead Karoo 2 GPS Bike Computer [Used]](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-rear-610x610.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 front Hammerhead Karoo 2 GPS Bike Computer [Used]](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-front-610x610.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 side 2 Hammerhead Karoo 2 GPS Bike Computer [Used]](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-side-2-610x610.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 side 1 Hammerhead Karoo 2 GPS Bike Computer [Used]](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-side-1-610x610.jpg)









![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 screen Hammerhead Karoo 2 GPS Bike Computer [Used]](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-screen-100x100.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 rear Hammerhead Karoo 2 GPS Bike Computer [Used]](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-rear-100x100.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 front Hammerhead Karoo 2 GPS Bike Computer [Used]](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-front-100x100.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 side 2 Hammerhead Karoo 2 GPS Bike Computer [Used]](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-side-2-100x100.jpg)
![Hammerhead Karoo 2 GPS Bike Computer [Used] Hammerhead Karoo 2 side 1 Hammerhead Karoo 2 GPS Bike Computer [Used]](https://www.mrcyclingworld.com.au/wp-content/uploads/2026/02/Hammerhead-Karoo-2-side-1-100x100.jpg)






















































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