Jaluro is the two-wheeled rover design, while WRV1 is the four-wheeled rover design that can "bend" in the middle. Consequently, Jaluro achieves static stability by moving the center of mass below the axe and therefore needs larger wheels that the WRV1 rover.
WRV1 Lunar Rover:
|From WRV1: Wheeled Rover Vehicle 1|
Jaluro Lunar Rover:
|From Jaluro: Just Another Lunar Rover|
Sounds interesting? Feel free to contribute with your ideas in the discussion forums for the Jaluro and the WRV1 lunar rover prototypes.