FAQ: Hammerhead Extensions

What are Hammerhead Extensions?

Hammerhead Extensions enables third-party developers to build experiences for Hammerhead bike computers utilizing an Android software development kit (SDK).

What devices are Hammerhead Extensions supported on?

The new Hammerhead Extensions repository (karoo-ext) will be supported on the new Karoo and Karoo 2 devices. Apps built for Karoo 2 on the previous SDK repository (karoo-sdk) will continue to be supported on Karoo 2 devices.

How do I build a Hammerhead Extension?

What Android apps will work on my Hammerhead?

Karoo works with many Android apps, but there are some limitations. Apps that require Google Play services may not work properly on Karoo. Hammerhead devices are not a Google Play Certified device.

What support is available for Hammerhead Extensions?

Hammerhead does not provide support for the development of third party applications for our devices. Third party’s are responsible for the development of their applications. We have created a Hammerhead Developers community forum for developers to interact with each other to support and help each other with the development of Hammerhead Extensions. You can find a link to the community here.

What native applications are available?

Epic Ride Weather - https://www.epicrideweather.com

- Epic Ride Weather provides personalized weather forecasts that take into account your speed and location, combining multiple forecasts to give you a precise projection of weather for the duration of your ride.

GiBLI Tech Inc. - https://giblitech.com

- GiBLI Tech makes real-time aerodynamic sensors to help cyclists and triathletes reach their ultimate performance potential.

hDrop Hydration - https://hdroptech.com

- hDrop provides real-time sweat monitoring, delivering instant data on sweat loss, rate, and electrolyte levels.

HR2VP by BIPR - https://bipr.fr/

- HR2VP is a multipurpose cycling app that estimates power based on heart rate and broadcasts to your bike computer.

myWindsock - https://mywindsock.com

- myWindsock provides insightful weather data to the sporting community with signature Iconic Wind Lines.

VinApp - https://www.instagram.com/vinapp_ciclismo

- VinApp and Vin-HKE offer a host of solutions for the Karoo. From custom alerts to color data fields and workouts, you can utilize Vin Extensions to get the most out of your Karoo.