Pioneer | Rose | Little Gem | Suzie | Aura
The above links will take you to the ratios for each Majacraft spinning wheel

Here are the drive wheel ratios for the Aura. The left hand column shows the whorl type.

Ratios are
:1

3
Largest

2

1
Smallest

Aura whorl
(standard)

4.1

5.4

7.3