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Hammerhead Karoo 2


Regular price£349.00 Sale price

Hammerhead Karoo 2


Regular price£349.00 Sale price

Karoo 2 is designed to put your cycling experience first. Powerful features on this GPS bike computer make it simple for cyclists to do structured workouts, follow routes, connect to Strava and other third parties, and get the most out of every ride.


Explore Karoo 2’s Best In Class Features

Image of Forge your own path with route building

Forge Your Own Path
With Route Building

Quickly upload routes from 3rd party apps via the Hammerhead web dashboard, or build your own with a couple of taps. Once you've set your route you can quickly add custom points of interest and download it for use on other devices.

Image of See the road ahead with best-in-class navigation

See The Road Ahead With
Best-In-Class Navigation

Cycling-specific navigation designed to help you never miss a turn. But with instant automatic rerouting, we've got you covered if you do.

Image of Keep your eyes on the road with beeper notifications

Keep Your Eyes On The Road
With Beeper Notifications

Beeper alerts notify you of turns, approaching traffic, training milestones, low battery and smartphone notifications.

Image of Conquer the cols with CLIMBER

Conquer The Cols

Our unique CLIMBER feature auto-detects upcoming climbs — even when you're not on pre-planned routes — and provides rich gradient insights so you can strategetically pace your ascent.

Image of See what matters with fully customizable UI

See What Matters With Fully
Customizable UI

Choose the data you want to see, and how you want to see it. Profile-based settings make switching between riding styles easier and more powerful than ever.

Image of Optimize your ride with data made beautiful

Optimize Your Ride With Data
Made Beautiful

We translate in-ride data into beautiful heart rate, power elevation, and gear shifting data visualizations for real-time optimization.

Image of Stay on top of what matters with smartphone notifications

Stay On Top Of What Matters With
Smartphone Notifications

Receive notifications for incoming phone calls and text messages, so you don't miss anything important on your ride. Or leave your phone at home. We know sometimes you just want to enjoy your ride; the K2 doesn't require a phone for you to see the road ahead.

Image of Hit your goals with customizable<br>training plans

Hit Your Goals With Customizable
Training Plans

It's easier than ever to follow your training plan to hit your goals with support for structured workouts, including automatic syncing from TrainingPeaks

Image of Keep on the cutting edge with frequent software update

Keep On The Cutting Edge With
Frequent Software Updates

We provide the most agile software on the market, with constant improvements. New features and enhancements keep your riding experience on the cutting edge.

Image of Sync your rides for analysis

Sync Your Rides
For Analysis

Upload your rides to connected platforms, for workout analysis and social sharing on the AXS web dashboard.


What's In The Box?

Visual for What's In The Box?

The Hammerhead Karoo 2
Your brand new Hammerhead Karoo 2: the best head-unit ever built.

Hammerhead Karoo 2 Mount
The most aerodynamic mount on the market: fits on to any set of 31.88mm handlebars, the road standard. 2.5mm Allen key Included. Learn More

Quarter-Turn Adapter
This adapter allows you to put the Karoo 2 on any Garmin-compatible bracket, for backward compatibility. See Compatible Mounts.

USB-A to USB-C Charging Cable
Fully charge your device in just over 2 hours with this charging cable.

For extra safety on bumpy roads or in handheld situations.

Quick Start Guide
A starter's guide to get you up and riding in no time. See our New Quick Start Guide for more detailed guidance.

Customer Reviews

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We offer FREE shipping to the UK on orders over £40

Please review our shipping policy for more information.

Free Returns

Returns are entirely FREE to send back.

Please review our returns policy for full details

Join Our STRAVA Club

Meet new people & discover new routes, our rides are both road and gravel based with a NO DROP policy. Members will also benefit from exclusive offers and access to the TCC Club Apparel.