I don’t have anything useful to add to this discussion but I will anyway.:) I’ve yet to purchase a dynamo light. My Clem has no dynamo hub & I do not ride it at night. My Gus has a Son dynamo hub because I got a great deal on the wheels and do enjoy riding singletrack at night. So it has been my intent to purchase a Sinewave Beacon 2 but have yet to do so. I think most if not all concerns with the Beacon have been resolved with the Beacon 2? It apparently is superb for MTB because it is very bright & the beam pattern is ideal for off road use. In addition it can be rigged to provide full brightness at very slow speeds & can charge things while using. They have a nifty looking rear light now to go with it. Plus it’s a beautiful thing to behold, MUSA & all of those cool colors! So that’s the one I intend to get.:))
Sent from my iPhone I have, and use, both the Edelux and B&M IQ X lights. I run them with SON, SP, and Kasai Dynacoil hubs. I don't do a lot of mountain biking per se, but I do ride off-road often. They all work well on and off-road. That said, I prefer the B&M IQ light to anything else I've used or seen friends and others use on rides. It's bright, has a nice light spread, and an easy-to-use off button. The Edelux looks better on Instagram, but the B&M functions better. They both have weird shapes to the light beam, but the B&M is better and it's not even close.
Regarding the top light rear dynamo light, all 3 of my family's commuters are set up with B&M IQ and B&M top lights. Super easy to set up, and they just work very well.
As for the connector, yes, the IQ can be set up with the SP very easily. I'd recommend this connector https://www.modernbike.com/product-2126308554?gad_source=1&gad_campaignid=22488232054&gbraid=0AAAAAD_UAjxQY_OMwS0QzF-wQYnzDL_ie&gclid=CjwKCAjwi-DBBhA5EiwAXOHsGY6Ux_vJ-Ts-FIOZBDYpyvv8F-jvZZNKF9DMMW9ngrF3cnuMPZA6qhoCn_0QAvD_BwE
On Thursday, May 29, 2025 at 7:52:03 PM UTC-4 Patrick Moore wrote:
Actually, the K-Lite was designed for off road: no particular beam pattern except all bright all over all the time (tho’ with H/L option). I just kept it on High. I’d have to shield the beam with my hand when passing people at night.
My Edelux I is not bright enough for my needs, and I daresay many other traffic-specific dyno lights may not be sufficient either.
I’d be interested in others’ opinion of the Sinewave Beacon; have 1 “sortof disappointed” review from several years ago. And can I use it with a Toplight rear light?
If I were to do this from scratch — ie, not owning 2 SP wheels for slick and knobby tires — I would consider a good battery light; but OTOH, I’ve been left stranded more than once with dead batteries …
I’ve related this many times but I’m quite happy to repeat myself. The brightest light I ever used was a Nightrider (why do I have “Specialized” in my mind?) HiD — arc light — system that cost me $400 in 2004 dollars. Oncoming cars would slow and pull sharply to their right. I rode by a cop once, who shouted, “That’s bright!” But so bright up close that distance vision was ruined. And finicky connections. And the slow startup always left me worrying that the thing was broken.
From the Nightrider catalogue:
![image.png]()
I was led astray with words from the original K-Lite post "lumens or lux are everything".
Most dynamos are suitable for your use as defined.
None seem very bright too me as they are designed to be road (shared with others) friendly. Sinewave Beacon seems brighter but is not approved for road use where these things are regulated (Europe where pretty much all the other Dyno powered lamps seem to hail from). The sinewave has some other cool features but is this quite pricey.
Josh Z Oregon
Added request: please feel free to recommend other options besides current K-Lites and the B&M IQ X. Will have to be compatible with SP hub and Toplight rear lamp.
Josh: Thanks. I want to stay with dynamos. I don’t ride very rough stuff — cottonwood roots and washboard are the worst — and this bike is as much as dirt road commuter as an off road fun bike (well, commuting on dirt roads is fun, but at night I generally stay on the smoother, straighter routes). I do use a backup modestly priced battery light (800 lumens for what that’s worth) on sale from PJW with my dynamo light.
If anyone wants the remnants of this K-Lite first edition to play with, I’ll be happy to ship it — headlight, on/off switch, very large capacitor, wires and plugs -- to you for free (just be patient).
Is this one just about as bright as dynolights come?
Can anyone compare it to the K-Lite, original model (single lamp, 800 lumens low, 1200 high)?
Will it simply plug as usual into a SP hub?
Will it work with the usual Top Light dynamo tail lights?
If you prefer another dynamo light for off road use, which one, and why?
Thanks.
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Patrick Moore Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum
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Patrick Moore Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum
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