StemLite combines a handlebar stem and bike light in one device
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The StemLite is a bicycle handlebar stem with a built-in 500-lumen headlight
Users power the light up and select modes via two water-resistant switches on the top of the stem
The battery compartment is accessed through an Allen bolt-secured hatch on the bottom of the stem
Technical drawings of the StemLite
Light is provided by an array of ten Nichia LEDs, that put out a combined 500 lumens on High mode
A top view of the StemLite
If lithium-ion batteries are used, riders can expect a claimed run time of 12 hours per charge when in High mode
Article Summary
Imagine if new cars didn’t come with their own headlights, and buyers were expected to supply their own. It would be kind of silly, right? Well, that’s what the situation is with most commuting bicycles. While a few bikes have built-in lights, consumers are generally expected to purchase one separately, then attach it to the bike. Of course many people simply don’t bother, while others buy a light but then get caught in the dark without it. That’s why California-based cyclists Nick Sweeney and James Voshell have created the StemLite.
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