Original clay roller skate wheel in 57mm in special black and white combo pour. 

The Fo-Mac Harmony wheel is a very hard clay wheel, designed not to cone or wear on the inside edge, as can happen to roller skate wheels. 

If a wheel that slides just right is the wheel you are seeking for your moves at the roller rink, then the Fo-Mac Harmony rhythm wheel is for you.  

Size: 57mm x 30mm

Hardness: 103A

Precision bearings only.

Sold in sets of 8.

Made in the USA.