Product Price Screen Size (inches) Resolution Weight (grams) Battery Life (hours) Waterproof Rating GPS Accuracy (meters) Heart Rate Monitor Smartphone Compatibility
Hammerhead Karoo
US
£388.35 3.2in 480x800 118g 15 hours default mode; 30+ hours battery save mode; 35+ hours advanced battery save mode IP67 High accuracy GPS

Hammerhead Karoo is a premium cycling computer with a bright 3.2in touchscreen, detailed 480x800 maps, turn-by-turn navigation, and responsive physical buttons. Its long battery-saving modes, IP67 water resistance, and broad sensor connectivity suit serious road, gravel, and touring cyclists.

★ Ideal for

It suits long-distance cycling because its 15-hour standard battery life can extend beyond 35 hours in advanced battery-saving mode, while the high-resolution display, accurate GPS, offline navigation, and heart-rate-monitor compatibility support extended rides.

Garmin Edge 850
US
£369.85 2.7 in 420 x 600 pixels 113 g Up to 12 hours; up to 36 hours in battery saver mode IPX7 Multi-band GNSS

The Garmin Edge 850 is a compact cycling computer with a bright 2.7 in touchscreen, physical buttons, multi-band GNSS, preloaded maps, advanced training tools, and smart fueling alerts. It suits cyclists who want detailed navigation and performance features in a smaller device, though its standard battery life is shorter than some endurance-focused computers.

★ Ideal for

It suits long-distance cyclists who value accurate multi-band GNSS, detailed maps, smart fueling alerts, touchscreen and button controls, and up to 36 hours of battery life in battery-saver mode.

Wahoo ELEMNT ROAM 3
US
£343.96 2.8 in 480 x 720 pixels 109g Up to 25 hours IPX7

The Wahoo ELEMNT ROAM 3 is a GPS cycling computer with a 2.8 in touchscreen, 16 million colors, turn-by-turn navigation, 64GB storage, and up to 25 hours of battery life. It suits road, gravel, touring, and endurance cyclists who want clear maps, sensor connectivity, and a robust waterproof design.

★ Ideal for

It suits long-distance cycling because its up to 25-hour battery life, 2.8 in high-resolution touchscreen, IPX7 rating, turn-by-turn navigation, and Bluetooth and ANT+ sensor support are designed for extended rides and changing conditions.