Easy installation- Pulley adopts self-locking screw to lock the rotating shaft, the nut is not easy to loosen,Swivel Pulley System installation is simple and convenient, and the nut disassembly method is more convenient than the installation method of the circlip shaft.
Super mute-Pulley block two carbon steel ball bearings inside the pulley, which can reduce the friction of the wheel. The pulley turns more flexibly and has no noise.The thickened steel plate bracket and wheel core can enhance the bearing capacity.Operation is smooth and does not heat up.