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

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

Ratios are
:1

5
Largest

4

3

2

1
Smallest

Millie whorl
(standard)

4.1

5.2

7.1

9.6

13

Rose whorl
(slow speed kit)

3.9

4.9

6.8

10.1

18.4

Suzie whorl
 

4.6

7

9.7

12.3

15.9

Little Gem whorl

6.1

7.4

10

13.3

17.5

Fast whorl
 

 

10.5

13.6

16.4

20.6