On both pictures I have hands on the clutch. Enlarging the motor doesn't make sense after reading my own post.
The leverage enable me to fluidly adjust the step-length.
If you explain it correctly, I can do any adjustment but please raise any requirements which raise to you head.
Initial the pictures could not be loaded so I did a comment. I deleted and reused it for this comment.
Hitting two times submit on the summit app may raise two comments. Sorry.