XR1200,  Sportster weight Braking disk Left side

for all XR1200 ( X ) models and Sportster Models 2000- up 

With E-mark

Outer Diameter     292,00
Inside Diameter      56,30
Thickness      5,00
No. Of Holes      5,00
Bolt Pattern      82,50
Holes Diameter      8,50
Holes Type     Countebore
Floating      Floating 
Outline      Wave 
Outer Ring Type     Lightening holes 
Finishing     Painting 
Material     Aisi420 
Carrier Material     AL5754 
Carrier Surface Treatment     Hard Anodization 

See here for the Right side