Standard Bonnevilles and T100's are
spoke breakers on the left side of the rear wheel!

A lengthy discussion of this topic, entitled
If you have had broken spokes - sign in is located on Delphiforums. Note that there are, as I type this, 702 posts to this one thread!
http://forums.delphiforums.com/New_Bonneville/startYou'll need to get past the initial advertisement and then go to the Maintenance & Repairs section for the above-mentioned thread. (I tried, but can't get it to deep link.)
The subject is completely covered, including alleged design flaws, warranty repair, post warranty options (custom rebuilds), resulting damage and how to file a complaint with NTSB if you've had a problem with breakage.
By the way, I find no pleasure in noting this problem. In fact, I am very sad about it all.