look at the bottom of the pac it isn't flat the bracket mounts in a recess, so to add a plate the full width it raises the pack 3/8" or so. i didn't put the plate all the way to the front so the front bolts were sufficient. the plate is 8" front to back and full width i think was 18" side to side. when i get a chance i'll get a pic off the bike. might be a day or two as i can't get to the shop today.Pardon my naivety, but how would linger bolts in the rear help? Due to the thickness of the 2nd plate I’m assuming?
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