"Lubricant" is a generic term for a number of chemicals whose function is to reduce friction between two surfaces, and additionally may reduce or dissipate heat or clean the surface(s) in question.
Silicone caliper grease works well.
I have a 2002 XG 350 it is near the rear wheel drivers side, , You will need to put a rust lubercant on it once or twice a few days a part then you need two wrences to remove it , . plus some gas will spill out after braking it lose wait till the gas stops, it wasnt a bad job at all,
A lubricant is a substance used to reduce friction between surfaces in relative motion, leading to smoother operation and decreased wear and tear on moving parts. Lubricants can come in various forms such as oils, greases, and solid lubricants.