Product Price Screen Size (inches) Resolution Weight (grams) Battery Life (hours) Waterproof Rating GPS Accuracy (meters) Heart Rate Monitor Smartphone Compatibility
Lezyne Mega XL GPS
US
£147.60 2.7 in 240 x 400 83 grams 48 hours IPX7 GPS and GLONASS with barometer and accelerometer

The Lezyne Mega XL GPS is a cycling computer with a large monochrome display, GPS and GLONASS navigation, turn-by-turn mapping, and up to 48 hours of battery life. It suits endurance riders, touring cyclists, and anyone who wants long runtime, landscape or portrait viewing, and external sensor connectivity.

★ Ideal for

It suits riders seeking the quietest cycling computer because its silent monochrome display and four-button operation provide GPS navigation and heart-rate connectivity without touchscreen operation or mechanical components.

Hammerhead Karoo 3
US
£380.09 3.2in 480 x 800 pixels 118g 15+ hours IP67 Multi-band GNSS

The Hammerhead Karoo 3 is a lightweight cycling computer with a sharp 3.2in touchscreen, detailed navigation, multi-band GNSS, and support for ANT+ and Bluetooth sensors. It suits cyclists who want a smartphone-like interface, bright maps, and strong SRAM AXS integration for road, gravel, and mountain-bike riding.

★ Ideal for

Its quiet operation suits riders seeking the quietest cycling computer because it uses a compact 118g design with silent touchscreen and button control, while its clear 480 x 800 display and multi-band GNSS provide navigation without relying on audible prompts.