Sundia diabolos can have one of three axle types: wide fixed, narrow fixed, and triple bearing. Most will want the wide fixed for better stick grinds and axle play. The triple bearing model has the longest glide of any diabolo on the market. Henrys diabolo can have an extra wide axle.
For more information on how to choose adiabolo look at our Jugglng Guide and Tips section at the bottom of the footer on the home page.