1.Zero rotation clearance ,applicable to positive and negative rotation.

 2.Resistant to oil ,dirt ,sand ,grease ,moisture ,many solvents,as well as the atmospheric effects of ozone.

 3.Ureyhane spiders provide high abrasion resstance and elasticity ,along with good damping characteristics ,and compensate radia ,angular and axial deviations.

 4.Detachable design ,easy installation.

 5.Tighten ppositioning screws.

 6.The main part is made of high strength aluminum alloy.