Sure-Grip QUBE 8-ball roller skate bearing contains 8 balls instead of the traditional 7 which has many advantages.
The additional ball allows the load to be spread out evenly over the entire bearing instead of just one or two points.
The additional ball also gives the bearing greater lateral load capabilities while turning, an important aspect of quad skating that many overlook.
Lateral load is the force created while turning; it’s the momentum that wants to push you off the track.
Using an 8-ball bearing will help distribute the load evenly over the entire bearing, in essence making a stronger bearing laterally.
Combined with a deeper groove this gives you the ability to skate into turns harder with no worry of bearing blow out.
For over 30 years this type of bearing has been the skaters choice for speed, if maximizing your cornering speed is what you’re after then the QUBE 8-ball bearing is the right bearing for you.
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As good as my expensive Ceramic hybrids
After blowing thru several sets of 688 micros in both Swiss steel and hybrid ceramics I needed GOOD bearings for several sets of wheels to replace. I bought both the whit Swiss Qube's and the 8-Ball Qube's. Here's a hint with these: They're greased AND double labyrinth sealed. Slow at first but whoa once they loosen up they are fast and ZERO maintenance. After using many low contact rubber sealed bearings which were oiled and cleaned religiously after only 10 hours use, I now realize the errors of using such bearings except for racing. Only greased and Labyrinth sealed bearings for me from now on. Pulled one open after the first 10 hours and put the seal right back on with a smile. Maybe I'll check them again after 100hrs. Quit wasting hard earned money on anything oiled and shielded or any -RS sealed ones that you can see daylight thru when looking at the inner race-seal interface. These Qube's are the bomb and BGF skates are selling them for less than anywhere on the web, no matter the site.