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Old February 23rd 18, 06:02 AM posted to rec.bicycles.tech
Tosspot[_3_]
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Default Inexpensive LUX meter from China to measure your bike lamp'soutput

On 22/02/18 09:13, Andre Jute wrote:
On Thursday, February 22, 2018 at 6:16:19 AM UTC, Frank Leake wrote:
On 22/02/18 01:52, Andre Jute wrote:

snip

In any event, by subjective measurement a la Roger's post, I
judge I already have what on balance I consider BUMM's best lamp,
the first series Cyo R (I also have reflectorless version but it
isn't as good in lanes as the R, and I have the Fly-E with
supposedly the same optics but with a very nasty hotspot), so I'm
not even in the market for new lamps.


Three of those dies before I gave up on them, all inside 18 months
each.


You want to be careful what you say here, Frank. The slightest
suspicion that you think every BUMM lamp, including the ancient
lethal glimmerers, were not Immaculately Conceived by the Great
Engineer, and the BUMMbuddies will hound you for months
foryourheresy.


I'm riding the IQ-X atm, the finest light Bumm produced after the IQ-Fly
imho.

Neither of my Cyo have failed. But then I don't mount them upside
down, so the rain can get in, or mount them at hub level, or ride
fast enough through deep puddles to splash up water into the innards
through the wire entry. That lack of waterproofing is just one of the
inadequate things about BUMM lamps you're not supposed to mention in
polite circles...

Do you go out in the rain much?


I live in Ireland, so you'd expect the answer to be "yes". In fact, I
rarely ride through more than light showers, in part because the
weather forecasts are now so good, it's no problem to pick a clear
hour or two for short rides. The truth is that in the last few years
I've become more concerned with whether my cycling jackets are
windproof than whether they're stormproof.


Innesreting. I don't know, but I strongly suspected water ingress
killed them. Only Bumm light I've ever had issues with.

Andre Jute Bring back global warming!


It never went away!
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