There was a LED headlight thread a few months ago but seems good to summarize the findings here.... This is the LED light that Cyclops is selling for $65... http://www.aliexpress.com/item/1-Set-H4-Hi-Lo-Led-Headlight-40w-4000LM-Led-CREE-Headlight-For-Car-H4-Led/32326686025.html I was skeptical of fans in my light bulbs but so far no issues. If you don't like active cooling in a light bulb, here are a couple options: http://www.aliexpress.com/item/2014-New-All-In-One-Plug-Play-CREE-LED-H4-H4-3-HB2-9003-40W-4800LM/2048164273.html http://www.aliexpress.com/item/2015-4th-Gen-Newest-60W-8000LM-Kit-ETI-LED-Headlight-30W-4000LM-High-Low-Beam-Bulbs/32393818432.html Since the bulbs are coming from China anyway why not pay ~$24 each instead of $60+ I have ordered the bulbs in all three links (I have nine WRs) and all of them delivery was fast and reliable, the units are high quality (the first link is the exact bulb cyclops is selling) and insanely bright while consuming a fraction of the power of a regular bulb. Have been using them for a few months now and no issues. Considering a high-end H4 halogen bulb can set you back $15-20 going LED is a no-brainer, especially when it can fit into the stock reflector. I liked this post because you said you have nine WRs. I'm curious as to why you have so many of the same machine, besides the fact that they're so amazing. What is each bike's purpose, if you will?