In case this hasn't been posted before. The top two items fit my 2000 r1100r perfectly. Just add 5 stainless washers to left two bolts and 3 stainless washers to right two bolts. Installation took 10 minutes. Torx bit to remove stock bolts, 3mm Allen to install supplied bolts.
BF11 givi flange
http://www.amotostuff.com/product/BF11.html
ZT480F givi tank ring
http://www.amotostuff.com/product/ZT480F.html
And I have the following bag, smallish but works for me, locked on the tank nicely.
http://www.amotostuff.com/product/3D601.html
Givi tank lock parts
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