The park tool ppl 1 polylube 1000 lubricant has an extremely high shear strength to protect vital parts under extreme conditions polylube 1000trade also repels moisture and is compatible with conventional greases park tool39s polyurea lubricant was developed specifically for bicycle maintenance and repair park tool ppl 1 polylube 1000 lubricant features a poly urea based grease developed for bicycle use high shear strength for good load bearing ca