Bevo Gold-7 Race Rated Chrome Bearings are engineered and manufactured to surpass the quality of standard bearings. Only Chrome Steel races and retainers are used in the manufacturing of Bevo™ Bearings. The quality and characteristics of Chrome Steel not only dramatically increases the life of your bearings, it also assures maximum performance resulting in a faster smoother ride. Our custom DEEP Groove Channel stabilizes the roll, reducing vibration and roll resistance. Only self channeling synthetic lubricants are used in Bevo™ bearings. You can rest assured when riding on genuine Bevo™ Gold or Silver rated bearings, you will maximize your performance.