Hammerhead Karoo Bike Computer
Hammerhead Karoo Bike Computer
Hammerhead Karoo Bike Computer

Hammerhead Karoo Bike Computer

Karoo 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.

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
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 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.

Size chart

Download the spec guide here.

SP Component Guide

 
  SP1.1 SP1.1e SP1.2 SP1.2HRD SP1.3 SP1.4
Frame T700 Carbon Fiber T700 Carbon Fiber T700 Carbon Fiber T700 Carbon Fiber T700 Carbon Fiber T700 Carbon Fiber
Fork A2I-Fork A2I-Fork A2I-Fork A2I-Fork A2I-Fork A2I-Fork
Seatpost A2SP-Richey A2SP-Richey A2SP-Richey A2SP-Richey A2SP-Richey A2SP-Richey
Stem A2-SAGS A2-SAGS A2-SAGS A2-SAGS A2-SAGS A2-SAGS
Base Wheelset  Vision Team 30 Aluminum, Tubeless Ready Thru Axle Vision Team 30 Aluminum, Tubeless Ready Thru Axle Vision Team 30 Aluminum, Tubeless Ready Thru Axle Vision Team 30 Aluminum, Tubeless Ready Thru Axle Vision Team 30 Aluminum, Tubeless Ready Thru Axle Vision Team 30 Aluminum, Tubeless Ready Thru Axle
Tires

Maxxis

Pursuer  25mm

Maxxis

Pursuer  25mm

Maxxis

Pursuer  25mm

Maxxis

Pursuer  25mm

Maxxis

Pursuer  25mm

Maxxis

Pursuer  25mm

Shifter MicroShift, BS-A11 Bar End Shift Set Sram AXS Wireless

Shimano DuraAce 

SL-BSR1

Shimano DuraAce 

SL-BSR1

SRAM AXS Wireless SRAM AXS Wireless
Front Derailleur Shimano 105 R-7000 SRAM Rival eTap Shimano Ultegra R-8000 Shimano Ultegra R-8000 SRAM Force eTap SRAM Red eTap
Rear Derailleur Shimano 105 R-7000 11 Speed SRAM Rival AXS 12 Speed Shimano Ultegra R-8000 11 Speed Shimano Ultegra R-8000 11 Speed SRAM Force AXS 12 Speed SRAM Red AXS 12 Speed
Crank Fsa Gossamer SRAM Rival AXS Shimano Ultegra R-8000 Shimano Ultegra R-8000 SRAM Force AXS SRAM Red AXS
BB PF30 SRAM Dub PF30 PF30 SRAM Dub SRAM Dub
Brakes TRP - Spyre, Mechanical Disc TRP - Spyre, Mechanical Disc TRP - Spyre, Mechanical Disc TRP HD-910 Hydraulic TRP HD-910 Hydraulic TRP HD-910 Hydraulic
Brake Rotors Tektro Tektro Tektro Tektro SRAM SRAM
Cassette Shimano 105 11-28 SRAM Rival 10-30 Shimano Ultegra 11-28 Shimano Ultegra 11-28 SRAM Force 10-30 SRAM Red 10-30
Chain Shimano 105 11 speed

Rival Flat top  12 speed

Shimano 105 11 speed Shimano 105 11 speed Force flat top 12 speed Red flat top 12 speed
Saddle WTB WTB WTB WTB WTB WTB
Handlebar Vision TriMax  Alloy Vision TriMax  Alloy Vision TriMax Alloy Vision TriMax Alloy Vision TriMax SI-013, Carbon VisionTriMax SI-013, Carbon
  • Low Friction Fast Turnaround
Regular price$474.99
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Tax included. Shipping calculated at checkout.

This product must be purchased with a bike. Shop A2 bikes.

  • Free Shipping for USA Triathlon Members

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