I currently have a dynamo set up on my fixed gear/single speed randocross fun time machine running a SP hub and Supernova E3 Pro 2 front and E3 taillight and I love it. However I am now looking to boost my touring bike with dynamo and want a better brighter rack mounted dynamo taillight and am kind of lost, front lights I can figure decently but dynamo taillights I can't. The B&M stuff seems to be more reflector based and the Supernova and SON stuff seems to be rather small and maybe not so bright either but I could be wrong. I haven't had any issues of being seen with my current dynamo equipped bike as far as I know but I do feel I want something brighter.


I am looking for something bright and not super bulky (but brightness is prioritized) that would fit on a Tubus Cargo Evo rack. It would probably be hitched up to a Supernova E3 triple or a B&M IQ-X and likely a SON hub. Price is not the concern mainly just brightness.

Thanks in advance for the help

Take a look at these:
H-CARGO DYNAMO - Products - Herrmans Oy Ab
LINEO Bike Rearlight | Spanninga Bicycle Lighting

Or use an AC/DC converter and put an Supernova M99 taillight on the rack.
ebay.com/itm/Converter-Adjustable-AC-DC-To-DC-5V-6V-9V-12V-24V-LM317-Voltage-Liner-Regulator/112579023292
supernova-lights.com/en/products/tail-lights/m99-tail-light-2/

I've been very happy with the B&M Toplight Line Plus. It's actually really bright and combines nicely with the reflector. There's one on my husband's bike as well and it's one of the noticeable rear lights I've ever biked behind. Bright and big.

I like taillights that also have a reflector. Some state laws are really vague about needing a reflector. The B&M lights are plenty bright. I like the Secula, but rack mounting that might be problematic.

The current Supernova taillight is really bright. I had an earlier model fail, and they replaced it with a new one under warranty. I can tell it's on when I'm looking forward. Pretty sure it's the brightest taillight I own. Too bad they can't make headlights that are that good. The other problem with their taillight is that you can't use it with other headlights.

I would second the Toplight Line plus. It is as bright as generator taillights get, and the big honking reflector makes it as bright as it needs to be with traffic coming. The only reason I wouldn't consider it is if it was a 'problem' fit (no place on the seatpost, saddle rails, or rack), which doesn't seem to be the case for you. FYI, Topeak sells adaptors that switch the 20mm vertical reflector mounting to 80mm rack mounting...limiting where you can put a Toplight only where your imagination stops you. I have mounted one on a rack, a seatpost, saddle rails, and even on the inside of an hourglass braze-on on a seatstay.

I've got a Secula as well (mounted on a fender)--i find it less conspicuous than the Toplight (both in a good aesthetic sense, and a bad, 'not as obvious' sense).

Supernova tail light is ideal for combining with a headlight that they make.. 3 LEDs , its tiny.. several versions.
has no reflector, so somewhere else you add a reflector, or reflective tape..
they have plugs connectors (see peter white cycles site?)


Schmidt, and B&M , I found work together well. I use those.. hub headlight(I have the older, version 2 brighter), B&M taillight.

beam shape is better with B&M IQ2 reflector, Schmidt has them supply the reflector they use. plastic housing OK for you?




you already have wiring and soldering skills ,

seems a lot of online shoppers with out a background in mechanics and problem solving out there..




....

The make the M99 Pure/Pure+/Pro/Mini-Pure/Mini-Pro, so with an $10 AC/DC converter and enough current (up to 32W) you're able to use their good headlights.

a Small dynamo rear light Schmidt uses a CNC Aluminum metal mount & their CoAx wire ,

Lower cost B&M uses the same Fresnel lens line tech prism, but uses their twin lead wire and plastic mounting base to your rack.

https://www.bike24.com/1.php?content...10,1411;page=3

On different bikes, I have E3 taillight and the similar SON Rear Light. I have not noticed a difference between the two in terms of brightness.

I think you're largely limited in brightness by the wattage going into the light. Maybe supplement dynamo tail light with a battery powered light?

+1.

I am not as worried about reflectors I prefer lights over reflectors but I might give the Toplight Line Plus a try, it seems like a good deal of folks here are down with it. I hadn't thought of the Secula but I am also unsure of my fender situation as I may get different fenders to fit my bigger tires.

I wouldn't go with M99 and AC/DC converter (Malcolm Young RIP) just because I don't want to add more complexity to the system but the regular one might be brighter than I give it credit for it is just not laid out like my Light and Motion rear light which is easier to see when looking back.

I'd also say the Busch & Muller LED Line Permanent Toplight Taillight:


When I'm in my car, when I see a bike with this light it really makes the bike stand out as a bike to me moreso than any of the other dynamo/steady tail lights.

^^ Same Taillight as the B&M toplight line, dynamo powered, just a different power source.. a battery ..

battery efficiency drops when it's cold..

My studded tire bike has battery lights 1) because it does not get used that much, here.

and 2) the lights come off and go in my pocket & are shared with a summer bike, when the days are long.






....

I'll fifth/sixth for the B + M Topline Brake Plus - been using one for about 18months, and I've just bought another for a new bike I'm constructing.

I've also bought a couple of B + M Seculas (one mudguard, and one seatpost) to go complete overkill with the rear lighting. I'll try to get a pic up at later date of them in action.

I've not tried the Seculas yet, but if you're going with only one, and don't mind the rackmounting - B+M Topline Brake Plus is a win.
Do any other dynamo rear lights get brighter when you brake, alerting other road users?

That is a neat function that is why it is appealing, I wish I could do multiple lights but I worry the system couldn't handle it at lower touring speeds but maybe I am wrong maybe it could work?

As far as i know only the Trelock LS 615 DUO FLAT SIGNAL and B&M VIEW BRAKE PLUS:
trelock.de/web/en/licht/dynamo/dynamo-ruecklicht.php
bumm.de/en/products/dynamo-rucklichter/produkt/321askv.html

I'll be honest, I'm not 100% on what's going to happen when I try to plug 4 lights into the system, seeing as I only had 2 on my previous setup... I'll get back to you with the result when I plug it all together

I figure the rear lights aren't powerful compared to front, plus they're only LEDs - so it shouldn't make much difference?
I couldn't find anything specifically listing loads or limits, surely that'd be more prominent if it was something you had to account for carefully... right?

Here you find some measurements of taillights:
swhs.home.xs4all.nl/fiets/tests/verlichting_analyse/achterlampen/vergelijking/index_en.html

Depending on your dynamo and cycling speed, you can have up to 3W of power for your lights.
fahrradbeleuchtung-info.de/nabendynamos-marktuebersicht-und-empfehlungen

Probably but then again not many people are looking to double up on lights?

(I'm still not to post allowed links, even in quotes!)

Cheers... I've done my usual unscientific method, and downsized from a 3w Dynamo to a 1.5w, whilst also attempting to up the taillight count! I thought with the Seculas being small, they'd be no big deal - but looking at that table you provided, they actually draw more power than the Topline does I guess that's down to the Topline using a large reflector to boost its footprint, whereas the Seculas are all active.

Thanks for the info - I'll try to manage my expectations accordingly!

Worst case scenario, I can transfer one/both of the Seculas to another bike(s) - I would be a smidge disappointed, though!

I do suspect having the secular dims my IQ-X a little.

So I ended up with a B+M IQ-X at the front and a Toplight Line Brake Plus at the rear for the touring bike and figured why not put something on my hybrid since I ride that a bunch. So I went with a Lumotec IQ Avy N plus at the front and a Toplight Flat S plus at the rear. The reason I chose what I did for the hybrid is I lock the bike up on occasion and wanted something cheap but effective. I can easily supplement the lights but want something in case I forget or just don't want to deal with other lights.

Protect that headlight from impacts,

I have seen several that finished their tours, out here, the light broken off because they mounted it out in front of their over the wheel front rack.

B&M headlight mounting tabs are plastic Maybe the new Aluminum bodied IQ-X plastic tab -band can be replaced, IDK.

the Luxos U cannot , the case is molded plastic incorporating the tab,
tourists with electronics, cell phone cameras like the USB output up on the handlebars of those.

They have to buy a whole new light.





....

My front rack doesn't have a hoop so it would be mounted on the fork crown with my fender. I like to keep my stuff safe so I will be doing my best to keep the light in a good position and not thrash my bike around. I might also see if I can get a machined mount for it at some point. My boss is looking to get a CNC machine (because he needs all the tools, all of them) so I might be able to get one for the cost of materials and learn CNC

Good advice though, it is a shame when people buy nice stuff and don't take care of it. I see it frequently at the shop (though we get few tourists in) and I don't ever understand it. I mean somethings I can see but basic air and lube..come on!

You might find some new mounting ideas here:
bikeforums.net/electronics-lighting-gadgets/1126857-minoura-spacer-light-gadget-mount-di-light-fender-hole-mount.html