The threads I've found are for a Cyclops bulb which fits in the I/S fairing. Headlight bucket on a non I/S isn't big enough for the associated gubbins.
Not true, fits just fine. Just make sure your wiring is arranged and tucked in tightly behind the bendable tabs in the bucket. Also make sure the wire from the LED to the headlight output wire has slack and doesn't get pulled when you turn your bars lock to lock.
Some like a tighter beam but compared to the stock bulbs it is better and lights up the road just fine. I even have LED tractor lamps on my Cobra Light-bar. When all three lights are going the light is more than enough.
The pluses with the LED is; less amps, whiter light and steady. What I mean by "steady" is, have you ever noticed going down the highway at night that road signs flicker a bit from your light? You won't see that with the LED, it is steady and stable, even when running on a bumpy road. The road signs seem to show up better to me with that whiter light, the reflective lettering just pops.
The whiter light also really makes you stand out better. I've had several people comment that they could pick me out of a group of motorcycles, even during the day, just from my headlight. It stands out and is more noticeable than the yellowish look of the majority of lights on the road.
