Sigma PowerLED Black Pro light£169.99

Clever but disappointing illumination

BikeRadar score2/5

The main housing on the PowerLED comes in three parts: a front that houses the LED, a middle bit that can hold four AA batteries, and a rear cap that can accept the power plug from the Lithium Ion battery pack. So if you don’t plan on using the AA battery power, you can shorten the whole light by removing the middle section.

The battery pack attaches with a small strap that features the Sigma twist-lock system – like the company’s computer handlebar mounts – which allowed the pack to vibrate against the underside of the stem so much that we ended up having to add another normal Velcro strap.

The light is well made and easy to use, but it just doesn’t perform well enough to let you ride even moderately fast. The beam pattern is a small blob that doesn’t reach very far down the trail/road at all, and the peripheral spread is simply not bright enough. Visibility isn’t too bad, but if you’re intending to ride fast then there simply isn’t enough light on offer here.

It’s a nice idea, but it just doesn’t perform anywhere near as well as its pricetag would suggest – or how we’d expect for nearly £170.

Off-road: 1.5/5

Road: 3/5

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