Hammerhead

Hammerhead Karoo 3 GPS Cycling Computer + C1 Heart Rate Sensor 2.0

Description

Hammerhead Karoo 3 GPS Cycling Computer + C1 Heart Rate Sensor 2.0

The Hammerhead Karoo cycling computer is a milestone in terms of innovation, design and performance. The impressive screen, high-quality materials and lengthy battery life make Karoo a bike computer without compromise. Thanks to its sophisticated hardware and software design, Karoo is easy to use in all conditions and allows you to focus on the road - and the ride - rather than your devices.

Karoo helps you achieve your training goals, explore new routes and enjoy every ride - with comprehensive structured training support, world-class navigation and a companion app and dashboard that let you manage your Karoo without taking it off the handlebars. The icing on the cake is the unparalleled control of the bike's networked components, from SRAM AXS products to electric bikes and ANT+ lighting

Highlights of the Hammerhead Karoo cycling computer

  • Karoo features a smartphone-quality screen with the best display for color visualization and intuitive configuration of your ride data and maps.
  • With the responsive touchscreen and easy-to-use hardware buttons, you can use Karoo the way you want - no matter the conditions.
  • Spend less time waiting and more time riding - thanks to 64 GB of storage, 4 GB of RAM and an extended battery life that allows for more maps, faster map display and a longer operating time.
  • Multi-band GNSS technology ensures maximum accuracy on any trail, whether in busy cities, on small singletracks, wooded trails or anywhere in between.
  • Choose your favorite routing (asphalt, mtb, gravel) and discover new routes with premium maps and navigation, including free worldwide maps, instant route sync for connected accounts and automatic detection of climbs with or without a route.
  • Unprecedented connectivity with SRAM AXS products allows for easier customization, better visibility of components and easy pairing with your groupsets, power meters, tire pressure sensors and more Premium ANT+ radar and lighting support makes it easier than ever to stay safe on the road in any riding situation.
  • Easily connect your Karoo to an e-bike and access LEV e-bike data fields such as motor support, estimated range, e-bike motor power and e-bike battery level.
  • Regular software updates update Karoo with new features and improvements, ensuring it remains at the forefront of the bike ecosystem, making every ride better than the last.

Details of the Hammerhead Karoo GPS cycling computer

Optimize your ride

The Karoo translates your data during the ride into appealing visualizations for real-time optimization.

Best navigation

The bike-specific navigation is designed so that you never miss a turn. Should this happen, the Karoo will immediately guide you back to your route via a detour.

Customizable user interface

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

Hammerhead Dashboard

With the Hammerhead Dashboard, you can easily access and manage all your data to review your ride performance, create and organize routes, evaluate upcoming workouts, customize your training zones and more.

Customizable training plans

With intuitive support for structured workouts, including automatic synchronization with Training Peaks and Trainer Road, it's easier than ever to follow your training plan and achieve your goals.

CLIMBER

CLIMBER automatically detects upcoming climbs - even if you're not on pre-planned routes. The Karoo provides you with meaningful information about the incline so you can strategically plan your ascent.

Route planning

With the Hammerhead Dashboard, you can easily create your own route on your favorite interface. Add custom Points of Interest and download them for use on other devices.

Range

Karoo provides comprehensive battery alerts for all your connected components, with full ANT+ and Bluetooth support, including electric bikes.

Notifications

Beeps alert you to turns, approaching traffic, training targets, low battery and smartphone notifications.

Updates

Hammerhead offers flexible software that is constantly being improved by Updates New features and improvements keep your riding experience up to date.

Synchronizations

The Hammerhead app for Android and iOS gives you the flexibility to upload and sync routes and training plans, instantly navigate to pins and easily manage your Karoo - all without Wi-Fi.

AXS

Get the full SRAM experience on your Karoo with quick and easy single sign-on, automatic sensor pairing, advanced battery management and intuitive controller programming.

Touchscreen

With the stunning smartphone-quality touchscreen from Corning Gorilla Glass, you can take control with a flick of your finger, ignoring raindrops and mud The Karoo can also be fully controlled with the responsive physical buttons.

Outdoor-Proofed

The Karoo is water, dust and mud resistant, so it won't let you down in any weather conditions.

Aero

The standard head unit mount has been redesigned to make it more aerodynamic and adaptable - while maintaining stability through a large contact area.

Technical details of the Hammerhead Karoo cycling computer

  • Dimensions: 61.66 mm x 102.8 mm x 21.1 mm (width x height x depth)
  • 2.0 GHz quad-core CPU
  • 64GB internal memory
  • 4GB RAM
  • Connection: USB-C
  • Battery type: Rechargeable 2600 mAh lithium-ion battery with high capacity
  • Operating time: 15h
  • Integrated ambient light sensor
  • Charging time: 30% in 30 minutes | 100% in 2.5 hours
  • Weight: 118g
  • Resolution: 480 x 800 pixels
  • Operation via touchscreen or 4 buttons
  • Water and dust resistant according to IP67

Hammerhead C1 heart rate sensor 2.0

Achieve your training goals and get more out of your Karoo cycling computer with real-time heart rate data. The washable chest strap with conductive rubber electrodes ensures an optimal fit and comfort and offers excellent connectivity and durability.

Features of the Hammerhead C1 heart rate sensor 2.0

  • Adjustable, washable, elastic strap
  • Strap length: 28" - 48" | 711 mm - 1219 mm
  • Weight: 15 grams (pod) | 28 grams (strap)
  • Connection: 2x Bluetooth channels and ANT+
  • R-R intervals
  • 30 m waterproof
  • Material of the electrodes: Rubber
  • Battery life: Approx. 900+ hours
  • Battery type: Replaceable CR2032 | 3 volt (included in the scope of delivery)

Details that matter

The Hammerhead heart rate monitor uses a conductive rubber material that is highly sensitive and can measure heart rate in all conditions. The material has excellent resistance to aging, temperature and oxidation. The construction is flexible and allows for consistent heart rate detection and durability. The electrodes feature a patented honeycomb pattern that increases skin contact area and improves moisture wicking. It also improves the contact of the electrodes with the skin and prevents the belt from moving up and down on the chest during intense exercise.

Master the course

One of the lightest pods and straps on the market at 15 grams and 28 grams respectively. The patented electrodes increase reliability in all conditions, while the exceptional battery life means you can now explore even greater distances and use less battery.

No fear of sweat

Thanks to the waterproof design, you don't have to worry about your sensor being affected by sweat or water while riding. Absorbent and elastic materials ensure that the belt stays on your chest even when you sweat. After the ride, you can simply remove the sensor housing to wash the belt and be ready for the next ride. The Hammerhead heart rate monitor is water and sweat resistant.

Connect and go

Two Bluetooth channels and ANT+ allow pairing with two Bluetooth devices and any number of ANT+ receivers. Connect your Karoo via ANT+ for exceptional battery life on the road or use it with your smartwatch for running and other Bluetooth indoor trainer setups.

Included in the scope of delivery:

  • Hammerhead Karoo bicycle computer
  • Hammerhead C1 heart rate sensor 2.0 + chest strap
  • 31.8mm Hammerhead mounting system
  • USB-C charging cable
  • Quarter-Turn adapter
  • Safety Lanyard
  • Quick Start Guide
Hammerhead
Fact Sheet
Product Name: Hammerhead Karoo 3 GPS Cycling Computer + C1 Heart Rate Sensor 2.0
Manufacturer: Hammerhead
Item Code: HHD748139
activity: Cycling
dimensions (l/w/h): 103/62/21mm
IP rating: IP67
transmission standard: ANT+, Bluetooth, WiFi, USB
internal memory: 64Gb
Battery Type: integrated Battery
device functions: Altitude, GPS, Navigation, HRM optional, Plan Training on Device, Temperature, Smart Notifications, Gear Position, Speed Sensor Bike (optional or included)
Device Version: Bike Computer
compass type: electronical
Display Features: Colored, Touchscreen, with Map Display
display size (diagonal): 3.2"
Model year: 2026
Color: Black
weight: 118g
Manufacturer page: https://www.eu.hammerhead.io/
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Manufacturer

Hammerhead

All products from Hammerhead
SRAM, LLC
1000 W. Fulton Market, 4th Floor
Chicago, IL 60607
USA

SRAM Europe Sales and Services B.V.
Paasbosweg 16
3862 ZS Nijkerk
Netherlands
info@sram.com
www.sram.com