PARK TOOL PPL-1 POLYLUBE 1000 GREASEFOR YOUR BEARINGSGrease and bearings go together like rama lama lama ka dinga da dinga dong. You should use grease in all bearings to ensure they last a long time and move smoothly. The Park Tool PPL-1 Polylube 1000 Grease has an extremely high shear strength to protect vital parts under extreme conditions. The Polylube 1000 also repels moisture and is compatible with conventional greases. Features Safe to use with all frame materials and will not harm carbon fiber High shear strength to protect vital parts under extreme conditions Related article: Basic Thread Concepts Manufacturer's part number: PPL-1UPC: 763477005007 | Park Tool | Ppl-1 Polylube 1000 Grease Ppl-1, 4 Oz Tube