Bike Headlamp Buying Guide

The best biking headlamps are bright enough to show you where you’re going, but not so bright as to dazzle other road and trail users. They should also have a range of settings to let you choose between long-lasting low power and bright eye-catching flashes that drain the battery more quickly. They’re typically rechargeable, with the option of an optional mains adaptor (though many can be juiced up from a USB port).

Small safety lights that use coin cell batteries are ideal as back-ups and for unplanned after-dark rides. For regular commuting you want something more substantial, and ideally one that can be recharged through a USB charger. The latest battery lights use lithium-ion rechargeable cells, which are durable and can be used for a long time between charges.

For off-road riding, it’s important to be visible to other riders and drivers, so you can avoid collisions. The best rear lights do this by shining a continuous red light in the center, and adding a bright outer ring that blinks in sequence. They’re usually powered by a rechargeable battery, with the capacity to run for up to 10 hours.

Some battery lights attach to the seatpost with a silicone band that’s tool-free and fits a wide range of seatpost depths, while others clip on to the top tube or frame. Depending on the type of bike you ride, you may prefer a different mounting system. Helmet mounts tend to be less secure and can easily get snagged on low-hanging bags or jackets.