I think I'll wait until next work period to get at the nut I dropped. Have done a work around.
Purchased two sets of spot driving lights for my two bikes. One is an inexpensive set with a spot beam of 10 degree spot beam at $23.00 CDN:
and a more expensive set from the local BMW dealer at almost $200.00 CDN for the pair - got $70.00 off, Christmas sale:
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Came well packed and no instructions in either. They have the same size lens, but when turned on the less expensive lights have a yellowish colour compared to a more white colour from the more expensive lights. Both are well made with aluminum casings:
The $22.00 pair have an integral base for securing, whereas the more expensive lights have a separate piece that is connected to the light with a screw, then connected to the securing bracket. Both lights have the same securing bracket:
Did a very scientific trial in the garage to check out the beam pattern. The more expensive lights have a very tight spot beam, and both lights appear to be equal in illumination:
The less expensive lights have a wider spot beam, but should illuminate the road ahead and not just to very near front and sides:
I was surprised at how the camera sees an image. I did not see the clarity of the spot beam for the higher priced lights except when taking the picture. The less expensive light beams do not appear to be identical compared to the more expensive lights - one appears weaker.
When I was assembling the more expensive lights I found the fit of the body connector to the light itself was not as tight as I want. It actually moves a bit. Will have to shim it ever so slightly to make it a firm fit.
I'm thinking that having the more expensive lights with an inexpensive set of say 30 or so degree lights would illuminate the road ahead quite well.
All for now. Cheers