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Fitting Lights (for Dynamo) to OS Handlebars

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Fitting Lights (for Dynamo) to OS Handlebars

Old 01-23-08, 11:16 AM
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pmanley
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Fitting Lights (for Dynamo) to OS Handlebars

I am trying to fit lights powered from SON dynamo hub to a bike with OS (Oversized 3.18) handlebars. These type of lights have a place for a screw but no bracket. I bought a bracket that should have worked but it does not fit on the OS handlebars (see https://www.m-gineering.nl/sindexg.htm, click on SON, click on fitting). I'm sure I can't be the first person to hit this problem. However, the black arts of Dynamo configuration don't seem to be well catered for in standard bike shops. Can anyone out there suggest a bracket that I can use with OS bars to fit my dynamo driven lights?
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Old 01-23-08, 11:27 AM
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You might want to try looking in the Electronics, Lighting, Gadgets forum.
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Old 01-23-08, 11:48 AM
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How about using a stainless steel worm-type "radiator" clamp as the bracket and mounting the light head on it? These come in a huge range of sizes and any hardware or home store has them. I'd put a couple of wraps of electrical tape around the bars to protect them from the clamp.
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Old 01-23-08, 12:03 PM
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By OS can I assume you mean 31.8 mm? There are computer mounts that clamp to a 31.8 bar and have a stubby and parallel outrigger that has a smaller diameter. If your SON lights have a mounting bracket that will clamp to a 26mm bar, then this should work for you. Like this: https://aebike.com/page.cfm?PageID=30...ils&sku=HB0820
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Old 01-23-08, 12:23 PM
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MichaelW
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Peter White does a handlebar mount.
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Old 01-23-08, 01:33 PM
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You might want to consider mounting your light somewhere else. Generally, mounting it lower will help identify broken pavement, stones and other road hazards more easily. The farther below eye-level the headlight is, the more prominent the shadows cast by road irregularities.


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Old 01-23-08, 07:24 PM
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I tried low mounting but disliked the reach to turn on and off the lamp (I had a primary-secondary setup), but it looked interesting in a retro-randonneur sort of way. Peter White Cycles sells a plastic Nob mount for fork mounting, Nitto makes a screw-on adapter for the end of the front wheel axle skewer that you can clamp a headlight on to and Velo Orange has this, for a rack mount: https://www.velo-orange.com/volibrforraa.html
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