Monocycle professional black.

This is the cheapest and this is very heavy, but is the lighter than Monocycle freestyle LUXUS. This monocycle is the biggest.

Monocycle freestyle LUXSUS.

This is the most expensive, but this is the cheaper than Monocycle for beginners. It's the smaller than Monocycle professional black.

Monocycle for beginner.

This is the smallest and this is the lighter than Monocycle professional black.