We just got some brand new Cup Holders in stock.
I think these are going to be what a lot of people want.
Easy install and fits on either left or right side.
They are supposed to fit all Spyders, I have only tried them on the RT right now.

Spyder Kustom Drink Kaddy (Black)

Black Powder Coat.

Mounts on the left or right side of the handlebar between the bar and display panel.

Foam inserts included to accommodate several drinks sizes, including 12oz. cans, 16oz. bottles, and 20oz. bottles.
Comes with all parts and tools required for assembly.