Imperial lost none of their charm

Speed Bumps to increase grinding speed

which provide an ultra-smooth turn and return to center

All-Terrain Formula™ (ATF) wheels are poured in a special soft urethane we call All-Terrain Formula or (ATF)

or heavier riders who want more support

Rollerbones Bowl Bombers Wheels 62mm 103A 8pk Clear Those Imperial lost none of theirBowl Bombers: RollerBones Bowl Bomber are our park street roller skate. Fashioned after our Elite formula with a radius face for easier transitions. Great roll, great grip, and a great bark if you slide. Specifications Brand Rollerbones Wheel Core None Wheel Diameter 62mm Wheel Width 30mm Wheel Hardness 103a Wheel Formula RCA Wheel Color Clear Wheel Suggested Use Dance Competition Wheel Surface Smooth