Hammerhead Karoo 2

Simple to set up ; Intuitive touch screen interface ; Climb feature is excellent ; Will keep improving as more features are added

Some of the display choices are restrictive ; Fewer third-party app integrations than other devices

An excellent, full-featured head unit, the Hammerhead Karoo 2 has pretty much everything most cyclists could need. It's intuitive to use, while its new climber feature sets it apart from other devices on the market.

Great looking ; Good routing and rerouting ; Lots of customisation ; Nice mounting solution ; IP67 waterproofing ; Android-based system with regular software updates ; Can take a SIM card

Smartphone connectivity needs to be more comprehensive ; USB-C bung not connected ; Needs more third-party services

As an Android OS-based device, this bike computer does things a little differently. But unless you're really committed to specific Garmin features, the mainstay of Hammerhead's offering is excellent - the visible and recorded data, the customisation,...

Software is extensive yet delightfully simple to use ; High resolution display looks superb ; Lots of on-device customisation

Battery life a step behind the compeitition ; Post-ride analysis could be better

A compact and capable bike computer with a fantastic screen, fast interface and clever on-the-fly climb profiles. Just don’t expect great battery life.

Software is extensive yet delightfully simple to use ; High resolution display looks superb ; Lots of on-device customisation

Battery life a step behind the compeitition ; Post-ride analysis could be better

A compact and capable bike computer with a fantastic screen, fast interface and clever on-the-fly climb profiles. Just don’t expect great battery life.