They have removable rubber shields on both sides of the bearing, a high-speed molded ball retainer, precision ground, and super-finished hardened chromium steel races and balls, and come pre-lubricated with Speed Cream™... twice the performance and half the price you would expect.

• Skate Rated™ and produced by the industry's leading bearing manufacturer.
• Closely monitored quality control to ensure consistent, high performance.
• Shields on both sides of the bearing for added durability
• Completely serviceable and lubricated with low viscosity BONES Speed cream