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

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

 3.Urethane spiders provide high abrasion resistance and elasticity ,along with good damping characteristics,ad compesate radial ,anggular and axial deviations.

 4.Detachale design ,easy installation .

 5.Fastening method clamping screw.

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