Shimano Nexus compatible lights?
- ldrcycles
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Shimano Nexus compatible lights?
Postby ldrcycles » Wed Jun 15, 2011 9:17 pm
- il padrone
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Re: Shimano Nexus compatible lights?
Postby il padrone » Wed Jun 15, 2011 11:02 pm
I can recommend the Busch & Muller IQ Cyo 60 lux, and the Schmidt Edelux 80 lux.
B&M IQ Cyo senso plus
Schmidt Edelux
Neither will be readily available in Australia for a reasonable price. Bike24 or Starbike are the best places to get them.
"An unjustified and unethical imposition on a healthy activity."
- ldrcycles
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Re: Shimano Nexus compatible lights?
Postby ldrcycles » Thu Jun 16, 2011 8:52 pm
It's becoming obvious it's not a 5 minute task to choose a light unt and i will need to do a lot of research but the
Phillips twin LED models look pretty good.
I could not agree more about avoiding halogens, the first bike light i got was a halogen from Big W, it was absolutely useless.
- ldrcycles
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Re: Shimano Nexus compatible lights?
Postby ldrcycles » Thu Jun 16, 2011 8:54 pm
- il padrone
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Re: Shimano Nexus compatible lights?
Postby il padrone » Fri Jun 17, 2011 10:47 am
I can assure you that with a good dynohub you cannot feel any drag when riding. Certainly the case with my SON28, haven't ridden the Nexus yet.When cycling with Reelight, you feel no resistance when you tread on the pedals. Moreover, the lights are completely silent
"An unjustified and unethical imposition on a healthy activity."
- ldrcycles
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Re: Shimano Nexus compatible lights?
Postby ldrcycles » Fri Jun 17, 2011 11:00 am
As an aside, a site i found while searching nexus hubs (i can't remember where) said the overload circuitry in the hubs assumes a 3W drain, ie a 2.4V front and 0.6W rear or 3W front light. That only mentioned halogen lights (the overload circuitry being to stop the bulbs getting fried on a descent), so firstly i'm guessing that wouldn't be a concern with LEDs, and almost all of the lights i saw on Bike24 mentioned overload circuitry in the light unit itself?
Do you happen to know if dynohub compatible lights usually come with a connection for the hub? The electrician at my work reckons i should just solder the wires onto the hub tabs, but i've seen the shimano connectors listed for $4.95 so i don't see a need for soldering the wires on.
- ldrcycles
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Re: Shimano Nexus compatible lights?
Postby ldrcycles » Fri Jun 17, 2011 11:03 am
I saw that claim and am actually a bit sceptical, it's operating on the same basis as the hub isn't it? So therefore wouldn't it also be producing some drag?
- il padrone
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Re: Shimano Nexus compatible lights?
Postby il padrone » Fri Jun 17, 2011 11:32 am
I don't have much experience with the Nexus, but my son has a new Alfine and it has a connector that looks like thisldrcycles wrote:Do you happen to know if dynohub compatible lights usually come with a connection for the hub? The electrician at my work reckons i should just solder the wires onto the hub tabs, but i've seen the shimano connectors listed for $4.95 so i don't see a need for soldering the wires on.
Available here from Harris Cyclery. The wires go through holes in the plug and when fitted it clamps them onto the connections.
Definitely advise you not to solder wires straight onto any tabs on the hub. What do you do when you need to remove the wheel for any work on it?
"An unjustified and unethical imposition on a healthy activity."
- il padrone
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Re: Shimano Nexus compatible lights?
Postby il padrone » Fri Jun 17, 2011 11:43 am
It must be causing a minute amount of drag - but much less than a 5% energy loss, and I've heard someone say that below this figure most people are unable to notice any extra resistance.ldrcycles wrote:Oh and re drag, i use my 44k commute as training so the more drag the better! lol.
I saw that claim and am actually a bit sceptical, it's operating on the same basis as the hub isn't it? So therefore wouldn't it also be producing some drag?
The Schmidt hub's drag is equivalent to a road climb rise of 0.2m in a kilomtre (1 in 5,000 gradient) when switched off, and a rise of 1m in a kilometre when turned on (1 in 1,000 gradient). ie. not detectable .
With experience in riding it I can confirm this. On my old set-up with a 'senso' light that came on automatically when light levels dropped, people would often tell me that the lights had come on late afternoon - I could not detect it.Peter White Cycles wrote:One way to think about the added drag of the Schmidt is to compare it to climbing a hill. Well, a really not so very steep hill. When the light is turned off, the drag from the hub is roughly equivalent to climbing one foot every for mile you ride. With the light turned on, it's about the same as climbing five feet every mile. That's why (in the daytime) you can't really tell that it's on, except at very low speeds (2 - 3 mph) when you can feel the hub pulse just a bit.
Shimano Nexus and Alfine have some more drag, but a friend tells me he has similar experience with his. I now run the Supernova LEDs all the time - because I can
[edit] For some idea of what the lights are like, here is a B&M IQ Cyo, in use in daylight with comparison to car headlights
[youtube]http://www.youtube.com/watch?v=DJMOeG2V1rE&NR=1[/youtube]
This is a good idea of what it looks like from the rider's view
And the Schmidt Edelux - same beam but slightly brighter
[youtube]http://www.youtube.com/watch?v=G52-m6n2 ... re=related[/youtube]
"An unjustified and unethical imposition on a healthy activity."
- ldrcycles
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Re: Shimano Nexus compatible lights?
Postby ldrcycles » Sat Jun 18, 2011 8:34 pm
It was the Harris Cyclery page that i saw the connectors on. I agree about not soldering the wires on, the convenience of a dynohub is the entire reason behind getting a light for it. The electrician at work mumbled about connectors being unreliable and 'a soldered join is the best way, it'll never fail', he does have some, ah, odd views.
Still no idea what light to get, although i'm a bit wary of the 'senso' automatic jobbies, an extra something to go wrong? Do they have a manual on/off switch as well (i like having control, why i drive a manual car lol). Definitely looking at a front+rear kit, even if the dyno driven rear is the same or not as bright as the basic 5LED ones i have now, it would be good to know that i will have a rear light that can never run out of juice.
- il padrone
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Re: Shimano Nexus compatible lights?
Postby il padrone » Sat Jun 18, 2011 8:58 pm
Yes, there is a switch on them, just like the regular headlight. You can turn them off, senso, or on as normal. Mine has been very reliable, now on the wife's bike.ldrcycles wrote:Still no idea what light to get, although i'm a bit wary of the 'senso' automatic jobbies, an extra something to go wrong? Do they have a manual on/off switch as well (i like having control, why i drive a manual car lol).
I've been using this one (on the mudguard) on three of my bikes. The Seculite is a 1W led, so it's plenty bright, it just doesn't flash. An ancillary battery flasher is used for added conspicuity, but solid lights make it easier for drivers to judge range from you, so they're wise to have.ldrcycles wrote:Definitely looking at a front+rear kit, even if the dyno driven rear is the same or not as bright as the basic 5LED ones i have now, it would be good to know that i will have a rear light that can never run out of juice.
Another story of a recent convert to using a dynohub and B&M lights. The Toplight Line Plus is their latest tail-light and very good. Mate of mine has one on his and his partner's bikes.
It’s also always the same! No more of the guessing if the batteries are starting to die. Just consistently bright light. Love it!
"An unjustified and unethical imposition on a healthy activity."
- nayfen
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Re: Shimano Nexus compatible lights?
Postby nayfen » Sat Jun 18, 2011 9:22 pm
The electrician at work is right that connectors can play up and cause issues and soldered wires avoid these issues. but the first time you have a flat or need to remove the wheel for maintaince the soldered wires will give you bigger problems. you will never get a flat while your in your garage next to the soldering iron?I agree about not soldering the wires on, the convenience of a dynohub is the entire reason behind getting a light for it. The electrician at work mumbled about connectors being unreliable and 'a soldered join is the best way, it'll never fail', he does have some, ah, odd views.
- rifraf
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Re: Shimano Nexus compatible lights?
Postby rifraf » Sat Aug 20, 2011 3:21 pm
I use an Edelux and love it to bits.
I've not met anyone who buys a dynohub set up and goes back to batteries.
Fit and forget has a lot going for it.
I'd forget about the soldering - it would make puncture repair a bitch - just my 10 cents worth.
- ldrcycles
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Re: Shimano Nexus compatible lights?
Postby ldrcycles » Sun Aug 21, 2011 9:55 am
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