Throttle Up 6.5" Speaker Adapter Rings
Purchased these as the price was good and the advertised function was required for my 6.5" speaker upgrade for my ROAD GLIDE. I cannot speak to Electra Glide functionality.
I have to say that I'm not that happy with them. To their credit, Throttle Up agreed to let me return them with no issues.
You have to cut off the three OEM mounting points (See picture - I'm pointing to one of the mounting points) on the stock/OEM speaker mount with a hack saw to create a flush surface. I was not real pleased about this but decided to give it a whirl given the replacement OEM speaker spacer is only $22. I now wish I hadn't.
The rings do not sit flush. See picture. Even though you create a flush surface via hack saw, the mounting screw heads still stand "proud" (also visible in the picture). You would need to do a good deal of dremel or count-sink work to get the rings to sit flush on the OEM speaker mount. This would compromise the strength of the rings. The instructions say "Relatively flush". In my opinion, not anywhere near to flush. There are screw heads between the stock speaker mount and the 6.5" adapter. The screw heads don't allow the adapter rings to sit anywhere near to flush. See pictures.
I spent several years designing/selling orthopedic surgical tools, external fixation components, and lots of other products out of polymers. Usually carbon fiber / thermo-plastic composites. The fact that the rings don't sit flush will place high stress on the OEM speaker mount and inner fairing mounting points when a relatively heavy magnet is mounted to them. Add vibration, rough roads, time, heat, etc and the physical properties of the plastics may not be high enough to survive very long. Neatly mated parts (ie flush) will have distributive properties of the obvious physical stresses that these rings simply don't have. Too much static stress and (more importantly) peek stress moments will be borne by OEM plastic screw holes.
Though you all should know what you're buying. I might consider these for an Electra Glide - but not for a Road Glide. I have ordered a completely different product after a phone call to ensure they sit flush and require NO modification of other components.
Hope this helps someone avoid a busted inner fairing or a speaker flopping around under the fairing.
2009 Vivid Black Road Glide
2002 BMW R1150GS Adventure
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