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Pre-Order is now closed. Click here to hear first when Karoo 2 is available.


"The best GPS cycling computer you're not using."

"Faster than every other dedicated bike computer."

"The best screen and navigational metrics in the game."

"The screen is simply the best on the market."

    Meet Hammerhead Karoo 2

    Image for Forge Your Own PathWith 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 for See The Road Ahead WithBest-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 for Keep Your Eyes On The RoadWith 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 for Conquer The ColsWith CLIMBER

    Conquer The Cols
    With CLIMBER

    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 for See What Matters With FullyCustomizable 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 for Optimize Your Ride With DataMade 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 for Stay On Top Of What Matters WithSmartphone 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 for Hit Your Goals With CustomizableTraining 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 for Keep On The Cutting Edge WithFrequent Software Updates

    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 for Sync Your RidesFor Analysis

    Sync Your Rides
    For Analysis

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

    Don't Take It From Us

    P Paul M.

    A Pocket Sized Phenomenon
    What a superb, easy-to-use, so-many-data-variables, integrated-with-everything device! I love it and can’t imagine a better cycle computer. The user interface and screen quality are outstanding, and the new mount makes it feel very secure on the bike. Can’t fault it.

    M Mark H.

    So Far, So Good
    Just received the unit the other day and took it out over the weekend. What a great unit! I have had two different units over the years, Garmin & WAHOO Roam. The Karoo 2 is far superior in my opinion. And to top that off the customer service is on a much higher level than anything I have experienced. I would highly recommend this bike computer!

    A Allen D.

    Amazing!
    Very convienent to use and great battery life! It's great for any type of biking and is resistible to rain and weather. Love the product!

    M Matthew U.

    I Love My Karoo 2
    This is my first cycling computer and I love it. It was very easy to learn how to use and setup. I love the simplicity of the user interface on both the device as well as the Hammerhead dashboard. Highly recommend the Hammerhead Karoo 2. I'm absolutely obsessed with the Karoo 2 and it has made me even more motivated and excited to get out and ride more! 10/10. 5 Stars, zero issues or complaints. I can't wait to see where the future updates will take us because I know it's only going to get better and keep improving!

    A Andres

    Best Cycling Computer Out There
    I owned another brand of computer but HAD to move to Karoo 2 after seeing what was capable of and the number of features available, specially the climbing/mountain features and information it gives you to prepare for what's coming! It is clear and delivers what you really need at the right time. I live in Asia so trying to get it here was a struggle and took some time, it would be great if they were shipping to this area, as I'm sure there will be a lot of customers. I'm very happy with the computer and periodically updates that make it just even better! Congrats and great job to the design and engineers of the team!

      FREE STANDARD SHIPPING

      FREE STANDARD SHIPPING

      Within the US

      45-DAY RISK-FREE TRIAL

      45-DAY RISK-FREE TRIAL

      Free return and full refund if you don't love your Karoo 2

      WE PRIDE OURSELVES ON SUPPORT

      WE PRIDE OURSELVES ON SUPPORT

      Available 7 days a week to ensure you get the most from your Karoo 2

      The Difference is Clear

      Image for Hammerhead Karoo 2

      Hammerhead Karoo 2

      • Anti-glare, waterproof screen
      • High pixel density screen (292 PPI)
      • Maps with cyclist specific points of interest
      • Automatic, Predictive Path Technology with CLIMBER
      • Instant route creation with pin-drop
      • Lightning fast rerouting.
      • Frequent feature releases and upgrades
      • 7 Days a week. Including Weekends and Holidays
      • Automatic cloud back-up for routes and settings
      • 32 GB total internal storage
      Image for Garmin 1030+

      Garmin 1030+

      • Only with additional screen protector purchase
      • 157 PPI: 46% lower resolution than K2
      • Maps with cyclist specific points of interest
      • Climbs only detected in pre-loaded routes
      • No pin-drop route creation
      • Longer than K2 reroute load time for every route length
      • Intermittent bug fixes
      • Limited support
      • No data back-up. Risk of data-loss.
      • 32 GB total internal storage
      Image for Garmin Edge 1040

      Garmin Edge 1040

      • Only with additional screen protector purchase
      • 157 PPI: 46% lower resolution than K2
      • Maps with cyclist specific points of interest
      • Climbs only detected in pre-loaded routes
      • No pin-drop route creation
      • Longer than K2 reroute load time for every route length
      • Intermittent bug fixes
      • Limited support
      • No data back-up. Risk of data-loss.
      • 32 GB total internal storage
      Image for Wahoo ELMNT Roam V2

      Wahoo ELMNT Roam V2

      • Only with additional screen protector purchase
      • 166 PPI: 43% lower resolution than K2
      • No native points of interest for cyclists
      • No climb detection
      • No pin-drop route creation
      • Longer than K2 reroute load time for every route length
      • Intermittent bug fixes
      • Limited support
      • No data back-up. Risk of data-loss.
      • Limited internal storage: 2.78 GB
      Image for Wahoo ELEMNT Bolt V2

      Wahoo ELEMNT Bolt V2

      • Only with additional screen protector purchase
      • 182 PPI: 38% lower resolution than K2
      • No native points of interest for cyclists
      • No climb detection
      • No pin-drop route creation
      • Longer than K2 reroute load time for every route length
      • Intermittent bug fixes
      • Limited support
      • No data back-up. Risk of data-loss.
      • Limited internal storage: 16GB
      Image for iPhone 13

      iPhone 13

      • Only glare proof with additional screen protector purchase
      • High pixel density screen
      • No native points of interest for cyclists
      • No climb detection
      • Pin-drop instant route creation via Apple Maps
      • Lightning fast rerouting speed
      • Depends on navigational app used
      • Limited support
      • Cloud backup with Apple ID
      • 128GB+ storage
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