Dyno Rack Light with no rear rack?

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DS

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Dec 16, 2014, 12:44:33 PM12/16/14
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Anyone have a hack to attach a Dyno rear rack light to a fender, seatpost, or rack brazeons without using the rear rack?

I currently have it on a Pletscher rear rack but I don't really use the rack for anything else and would rather remove it from the bike and find a different way to mount that rear dyno light. I'm not very inventive so thought I'd ask here.

Minh

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Dec 16, 2014, 2:12:22 PM12/16/14
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This depends on the which rear dyno light you have, as well as what the rear of your bike looks like e.g. what type of fenders, is a saddle bag in the way, is there a rack-brazon to re-purpose etc.  a picture of the light and rear of your bike would be a good start.

David Stein

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Dec 16, 2014, 2:41:50 PM12/16/14
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All good questions! I don't have a picture at a moment, but it is a Cheviot, no saddlebags (everything is on a front rack, no rear storage), and it is the Dyno Rear Rack light from rivbike.com: http://www.rivbike.com/product-p/ltd-20.htm

There are fenders (SKS/ESGE LongBoard Silver Fenders - P50) and rack brazeons.

Also open to different rear dyno light suggestions if there is something that is more apt for a seatpost, fender, or rack brazeon hookup.

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Shawn Granton

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Dec 16, 2014, 2:44:04 PM12/16/14
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Do you have fenders on your bike? I've used fender mounted rear dynolights on my bike, so I don't have to worry about using a rear rack.
-Shawn

Andrew Marchant-Shapiro

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Dec 16, 2014, 2:58:04 PM12/16/14
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If it were me, and I wasn't a saddlebag user, I'd probably fabricate a mount that bolted either to the upper rack braze-ons (if present) or to the seatpost binder bolt (this latter would be an L-shaped bracket).

If, on the other hand, you have fenders, I would install a Pixeo.  I do not think there is a taillight with more bang for the buck.

hsmitham

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Dec 16, 2014, 3:44:55 PM12/16/14
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DS,

Here are a two images of my hack. Different rear light, however it will work with the Riv rear light your talking about. Also I mounted it at a lower point on the Seat Stays due to the saddle bag but I could have mounted it higher. I purchased flat aluminum bar stock for $6 at my local Hardware store and used a bench vise to bend into the "L" bracket you see in the pictures.





Have fun.

~Hugh
 Los Angeles, CA



On Tuesday, December 16, 2014 9:44:33 AM UTC-8, DS wrote:

Matthew J

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Dec 16, 2014, 3:45:17 PM12/16/14
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Peter White does.  About half way down the page:

David Stein

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Dec 16, 2014, 4:31:40 PM12/16/14
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That peter white seatpost binder mount sounds like the ticket, thanks!

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Patrick Moore

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Dec 16, 2014, 4:44:07 PM12/16/14
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Do you mean the German spec (I think it's G spec) 2-bolt-mount rear light as designed for, say, the rear plates of Tubus racks? If so, sure: a flat metal strip drilled for the tail light bolts, but also drilled for other bolts as needed to fix the strip to a fender, a seatpost clamp (you'd have to bend the strip 90* to fit the most common seatpost light mounts), or rack braze on (ditto).

When Chauncey Matthews was faced with the dilemma of designing my custom rear rack for both these 2-bolt and the more typical US 1-bolt rear lights, he drilled one hole at the center of the rack's rear tube and provided such a strip. I'm presently using it to mount a dyno powered, German, 2-bolt light to said rack.

On Tue, Dec 16, 2014 at 10:44 AM, DS <davec...@gmail.com> wrote:
Anyone have a hack to attach a Dyno rear rack light to a fender, seatpost, or rack brazeons without using the rear rack?

I currently have it on a Pletscher rear rack but I don't really use the rack for anything else and would rather remove it from the bike and find a different way to mount that rear dyno light. I'm not very inventive so thought I'd ask here.

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Patrick Moore

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Dec 16, 2014, 4:45:32 PM12/16/14
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I see that I'm late as usual to the party and that Peter White has this sort of thing. That's what I'm talking about.

Lynne Fitz

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Dec 16, 2014, 4:49:54 PM12/16/14
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If you want a different rear tail light, I can totally recommend the Secula Plus. Get it from Peter. Choice of fender or seatstay mount models.

stonehog

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Dec 16, 2014, 5:53:26 PM12/16/14
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I've done this a couple times in a few different ways with the B&M Toplight Line Plus:

1. I've scrounged my reflector attachment parts, and mounted the light on the seat post this way: https://flic.kr/p/gJd3iB or https://flic.kr/p/gJcXSG with other pics here:  https://flic.kr/p/gKGwPy https://flic.kr/p/iRFEci  https://flic.kr/p/iRH1iB
2.  or mounted to the seat tube: https://flic.kr/p/jdQhEq
3. Use an "L" bracket and bend it carefully to attach at a braze-on mount like this: https://flic.kr/p/aBEtGy
4. and if you have a basket and some washers?  https://flic.kr/p/9h37zs

Brian Hanson
Seattle, WA


On Tuesday, December 16, 2014 9:44:33 AM UTC-8, DS wrote:

Chris Chen

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Dec 16, 2014, 6:38:25 PM12/16/14
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Awesome.

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Eli Daniel

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Dec 18, 2014, 1:51:42 PM12/18/14
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I have Spanninga pixeo taillights mounted onto the plastic fenders on two bikes (planet bike and SKS).  They're great taillights: bright, super lightweight, and mount easily even on plastic fenders.  And they're quite inexpensive.

(They have a battery-powered version too, but I'm talking about the dynamo one.)

-Eli

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Andrew Marchant-Shapiro

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Dec 18, 2014, 6:33:55 PM12/18/14
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Pixeos rule.  I have one that I had originally mounted on a plastic fender (it's now on alloy).  They're light, they're bright, they're cheap.  Perfect!
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