What color Led light white or red?????

White!!

If you have a colored lens you use a white bulb. Why? Because of light output. Look at the output rating (lumens on incandescent/halogen, mcd for LEDs), a colored bulb has lower ratings than white (though in LEDs this can vary based on the LED used, compare and contrast). The lens restricts even more light from coming through, resulting in dimmer light output. To a certain extent this is because the wavelength is limited to a certain band, going through another material restricts more of the band.

In college I knew some of the fancy words to explain this. What a waste of money that was.

Also, many colored halogen bulbs have applied tint which turn darker from the heat over time.
 
I think you will find everyone has their own opinion of this. The majority of companies selling LED replacement bulbs (although there are exceptions) say to use the same color as the lens. I'm not sure what their reasons are for this, but I can think of a couple.

White LED require more power. Why use extra power and go to the trouble of creating white light if you are going to filter out everything but the red anyway. The higher light output of your white LED is just goig to get reduced by the lens. The red LED not so much. I think you will find that if you held two "equal quality" LEDs behind a red lens, one red, and one white, you wouldn't be able to tell the difference.

Also, unless I am mistaken, white LEDs usually cost a little more. I'm not really sure why.
 
Flugtechnik said:
I think you will find everyone has their own opinion of this. The majority of companies selling LED replacement bulbs (although there are exceptions) say to use the same color as the lens. I'm not sure what their reasons are for this, but I can think of a couple.

White LED require more power. Why use extra power and go to the trouble of creating white light if you are going to filter out everything but the red anyway. The higher light output of your white LED is just goig to get reduced by the lens. The red LED not so much. I think you will find that if you held two "equal quality" LEDs behind a red lens, one red, and one white, you wouldn't be able to tell the difference.

Also, unless I am mistaken, white LEDs usually cost a little more. I'm not really sure why.
Click to expand...

Yes, I think you're actually right when it comes to LEDs (having worked more often with positive ground British bikes, I rarely use them as positive ground LED bulbs are pricey and hard to find). Thinking on your post this would be because an LED doesn't filter light it only puts out light within its given spectrum very little is lost through the lens. As far as current draw, the differences in in the single digits of mA. When I've looked into this issue before, I remember Amber LEDs took the most power.

islanddave1> What type of bulb did you intend to use?

Now you can get the components for LED bulbs, so I may build some to replace the lights on my Bonneville.
 
retro.joe said:
Yes, I think you're actually right when it comes to LEDs (having worked more often with positive ground British bikes, I rarely use them as positive ground LED bulbs are pricey and hard to find). Thinking on your post this would be because an LED doesn't filter light it only puts out light within its given spectrum very little is lost through the lens. As far as current draw, the differences in in the single digits of mA. When I've looked into this issue before, I remember Amber LEDs took the most power.

islanddave1> What type of bulb did you intend to use?

Now you can get the components for LED bulbs, so I may build some to replace the lights on my Bonneville.
Click to expand...

I was gonna use this one here.

http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWAX:IT&item=270330165588
 
I know these ones are good but they are trying to rape me with shipping 30 bucks for one light!

http://www.customdynamics.com/motorcycle_led_bulbs.htm
 
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