G - Standard: This cup provides the best mix of tone and color to virtually every player. 

Rims:

Width: Medium .153"/3.9mm

Contour: Rounded

LS 70  ID .657'/16.7mm  
LS725  ID .666"/16.9mm  
LS75  ID .676"/17.2mm  
LS775  ID .686"/17.4mm   
LS80  ID .695"/17.7mm  

Inner diameters measured at .050"
down from the crown.