What is the drive belt size for the Cub Cadet RZT mower?

[Dewwul]

Hi. Does anyone know the drive belt size (in inches) for the Cub Cadet RZT mower? I was told that no aftermarket belts are made for this model.
I could measure it using a piece of rope or string, but the dual-idler pulley design makes that rather awkward.

[khariross]

Belt sizes and part numbers may vary across different RZT versions, so it is best to first locate the exact model number and select the replacement part based on that.