Rollerblade BLANK SK Skates - Boot Only - Sale Block Surf Sonic uses a polymer cage

Sonic uses a polymer cage rather than brass or steel

Luminous LED Inline Skate Wheels 4pk help express the best part about inline skating

and bamboo veneers to create a light

Number of Wheels:  8

For more than 36 years preferred by the world's top professional skaters

Rollerblade BLANK SK Skates - Boot Only - Sale Block Surf Sonic uses a polymer cageShipping Now. Blank SK is made for performance with innovative features and thoughtful details. Designed and tested by the Blank pro team, this is Sean Keane's pro model skate. The Blank shell supports and protects skates in a streamlined fashion and integrates with the open core midsole seamlessly to provide a lower center of gravity and direct mount to the frames. The Blank liner takes comfort to the next level with strategic padding, a stretch toe