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Old 04-01-12, 08:17 AM   #1
southpawboston 
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Has anyone taken apart a B&M IQ Cyo headlight?

I have a B&M IQ cyo headlight that I would like to take apart (for reasons I won't get into here). Has anyone done this without destroying any of the plastic bits?
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Old 04-01-12, 11:29 AM   #2
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maybe in a couple of years, after someone comes up with a significantly better emitter.

J.P. Weigle has a modified one on his flickr page
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Old 04-01-12, 09:07 PM   #3
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I'm not 100% certain, but I'm pretty sure the IQ Cyo shares the same guts as the Schmidt Edelux; both electronics and reflector. There are numerous photos of the Schmidt disassembled on the web. Presumably the Schmidt is a little easier to take apart and reassemble than the plastic bits of the Cyo. Not that that helps you at all unless you also have a Schmidt lying around to take apart!

More importantly, what are your intentions??!! Or is it a secret...?
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Old 04-02-12, 12:33 AM   #4
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Originally Posted by southpawboston View Post
I have a B&M IQ cyo headlight that I would like to take apart (for reasons I won't get into here).
I have a link but won't share until you get into the reasons.
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Old 04-02-12, 08:31 PM   #5
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I have a link but won't share until you get into the reasons.
Ha, this may sound strange but I have two of these on different bikes-- one with the near-field lens and one with the normal lens, and I'd like to swap them (my rando bike has the near-field lens, while my city bike has the regular lens, and for the way I ride each bike the lights would work much better if swapped). The thing is, I've hard-wired the wiring (soldered and shrink tubed, no quick connectors) and integrated it into the fender and frame, so it would be a pain to snip it and re-solder it between the light and the fender:





I was hoping it would be easier (and cleaner) to open up each light up and de-solder the wiring from the circuit boards, swap the units between the two bikes, and re-solder to the circuit boards, thereby avoiding splice jobs on the short exposed sections of wiring.
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Old 04-02-12, 09:28 PM   #6
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now that I look at what J.P. Weigle did, he probably just broke off the plastic piece, because he ended up replacing it with sheet metal
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Old 04-03-12, 04:55 AM   #7
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These photos of a disassembled Cyo might be help.
http://fotos.mtb-news.de/s/12234?limit=60
It looks that after unscrewing the phillips bolt underneath you can remove top heatsink and carefully pry reflector out of the housing.
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Old 04-03-12, 03:27 PM   #8
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yeah, my light is brand new inna box, so I don't really feel like taking it apart, but I figure that screw holds all the secrets
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Old 04-03-12, 04:37 PM   #9
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A spider got inside mine and died in front of the reflector, and I have been often tempted to open it up and clean it. One of these days...
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