PRO X Liquid Grease is highly recommended for steel and ceramic cartridge bearing. Water proof which protects bearing from corrosion. Ceramic bearing are prone to corrosion and wear with out a lubricant. PRO X Liquid Grease is the perfect solution. Eliminates drag that grease packed steel bearing experience for a drag free bearing, especially in freezing temperatures. Ideal for suspension fork legs, full suspension pivots, wheel bearings and roller bearing.