pic: 159's innovative bearing block system

[Jeffy]

Originally Posted by Monochron

That's an awesome idea. Have you found any issues with the blocks drifting slightly and loosing tension under rough play? My team years ago decided to mount our drive train on 80/20 and ended up dealing with the mountings sliding along the crevices and loosing tension.

Bolt tensioners like this are common in motorcycles. The chain tension provides a force which keeps the bolt from loosening.
80/20 is often a system that uses a clamping forces to hold the material in place which is different than how these blocks function.