Looking at the specs on the r41 grande (I can't find the standard) I'm guessing they changed the handle to make up for the reasons one would goto a different handle? Meaning if you had the Grande would you need the bulldog handle?
The GRANDE version features a longer and wider handle than the original version.
measurements: L 107 mm, B 53 mm – diameter of handle 14 mm
weight: 80 g