GARMIN Varia RearVue 820: The New Standard in Bike Radars?

Garmin have finally refreshed their best-selling Varia rear cycling radar, and on paper the new Varia RearVUE 820 brings some genuinely solid upgrades: USB-C charging, longer detection range, brighter lights, better battery life, and even vehicle type detection. But dig a little deeper and it’s clear this isn’t a simple generational upgrade. Depending on the […]