Riding with lights at night certainly is a good idea, but getting seen from all angles and seeing where you are going can be a challenge. I use a compilation of many lights and since I spend most of my time riding a city there is a lot of direct or ambient light. I have never had any trouble seeing where I am going and one handlebar light has served me well.
Reader Alec came up with a hack to attach a light to his helmet. All text and pictures below are credited to Alec. If you have light hacks, let us know.
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Why I have a helmet headlight, and a PlanetBike handlebar-hacked-to-helmet mount mod.
I know someone who had a bright yellow jacket on in broad daylight, descending a four-lane arterial street, when they got left hooked, then a concussion. I've been in bright orange in broad daylight, and almost got left hooked, before the car could abruptly do a u-turn. And someone just died like this like a month ago by the middle of my hometown, Seattle. While descending almost in the middle of the lane at night, even with a headlight, I've had folks abruptly stop in front of me pulling into the street.
I could be totally wrong here with all the variables and probabilities of viariation, but I guess I've learned, since enough drivers don't really expect cyclists, even if they're right in front of them, they sometimes won't notice them despite their intentions. Especially at night, depending
on the light and available energy, one needs to really stand out sometimes and shine the main beam almost right at them.
It's also easier to check how much juice is in those batteries, by shining the thing where one can see the beam, reflected or not.
The following is also good for descending switchbacking paths at night.
After those lame PlanetBike handlebar clamps, and messy ductape...
...the light mount part of those handlebar clamps got sawn off so there's a somewhat flat base where the corners can dig into the upper foam of the helmet, making a clamp...
It's made from:
-the upper half of one of those terrible handlebar clamps for mounting lights like those that came with Planetbike lights 5 years ago. This part is made up of two parts, so a
-5mm Philiips bolt head can be recessed in the lower part of the plastic
-the bolt screws into a threaded shaft like what keeps the mounting bolt and lever mounting bolts of old "crotch-knife" shifters together. I'm not advocating taking apart one of those perfectly good, easy to service, compatible with any sprocket cluster shifters, just for one of those. Just get a drill, good bits, lube, and a tap.
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...I hope folks don't take apart completely unindexed working shifters that can work with any sprocket clusters, are actually serviceable unlike many indexed shifters, and can keep an adjustment long enough, for this part. The whole thing is sturdy, lasting ~24 miles for now like this on pavement, only a few bumps though.