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Discussion Starter #1 (Edited)
I just took delivery of some H4 LEDs from eBay, these cost about USD$30 shipped for a pair so it's perfect for my own and my wife's bikes. I originally ordered a newer version with the ribbon-type heatsink, but I was informed by the seller that those had some QC issues, and was sent this older solid-type heatsink instead. It is still passively cooled with no cooling fan and no external controller, it is pretty much a direct drop-in replacement.

Brightness is a claimed 8000 lumens for the pair (4000 lumens each) but I have no way to tell if this is accurate. Chinese lumens :D

The first picture is of the bulbs I received. The LEDs are placed similarly to where the filaments of a halogen H4 would be.

The next two pictures are of the low and high beams of the stock halogen.

Next are two pictures of the low and high beam of the LED headlight. The patterns and cutoff seem very similar to stock, though high beam of the LED seems to have a bit more coverage. The LEDs are considerably brighter in actuality, but I couldn't capture the difference well with my camera (I think I had the flash on :confused:)

At this time I cannot comment on heat dissipation and longevity, but I can say that the heatsink sits about halfway into the rubber gasket of the headlight holder, and after running for just a few minutes in my parking space, the heatsink was fairly hot to the touch. I am hoping that things will be better if the bike is moving.

I will update later in the season once I have had some more time running these!
 

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very nice upgrade, she is looking great!
 

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Discussion Starter #4
What size bulb is the smaller light in the head light I'm pretty sure it's a parking light
The secondary light uses a T10 socket. I am using some I bought quite a few years ago on eBay for a maxi-scooter, I think they are rated at 7.5W. Search for some that use COB LEDs, they should only be a dollar or two shipped :)

I did buy another pair recently, but the emitter at the front has a kind of lens on it which I didn't like - the older one which you see in the photograph is just a flat emitter.
 
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