Harley Rigid Locking bags, 53050-10. Believe the -10 refers 2010 up but will these fit the 2009 1200 Custom? What's the difference between the 53050-4B and these?

 

"Fits ’04-later XL models. Does not fit International (non-Canadian) XL883N, XL1200N or XL1200X models. Domestic XL883N, XL1200N and XL1200X models require License Plate/Directional Relocation Kit P/N 73279-10. All other XL models require separate purchase of Turn Signal Relocation Kit P/N 68732-02A (Domestic), 68733-02A (International) or Layback License Plate Kit P/N 60215-06. Fits with Detachable Sideplates when used with Hardware Kit P/N 53544-04. Does not fit with Rear Axle Covers or Bobtail Fender."
From:
http://www.surdyke.com/AdvPartInfo.a...umber=53050-10