Rollerbones Pet Day of the Dead Speed wheel 59mm x 96a White 4 Pk Vans 97a means they're fast and TNEC High Performance Liner Size:Womens 6 / Eu 36-37 SEBA_IVDR_GRY_72mm

97a means they're fast and great for parks but will still roll over rough streets and cracks a bit smoother than a real hard street wheel would

Sold in packs of four wheels

Razors Shift and Cosmo Skates feature the IFC (Instant Frame Change) System

To lighten the bearing and to dampen vibration

Check out the spectre here:

Rollerbones Pet Day of the Dead Speed wheel 59mm x 96a White 4 Pk Vans 97a means they're fast and TNEC High Performance Liner Size:Womens 6 Eu 36 37 SEBA_IVDR_GRY_72mm 97a means they're fast and great for parks but will still roll over rough streets and cracks a bit smoother than a real hard street wheel would Sold in packs of four wheels