Description:

Product Instruction --- Put a small amount internal pressure in the hub (about 3psi). When the hub is submerged water cannot enter the hub because of this pressure. Its a great way to extend bearing life and service your bearings in-between hub re-packs. Help keep dirt and water out of your hubs and bearings. The blue indicator ring will protrude out to let you know, or sink back in to let you know that you need to add grease.. Quality Material --- Adopts stainless steel material which ensures that it is good durability, not easy to age, anti-acid and alkali, high hardness and not easy to deform.. Application --- Designed to be used in most 6 boltshubs. Put a small amount internal pressure in the hub (about 3psi). When the hub is submerged water cannot enter the hub because of this pressure.. Automatic Check Function --- The automatic check function indicates the level of grease to prevent grease failure. Most tailor-made hub bearings have a 1,980-inch hub diameter.. Easy Installation --- Easy to install, no complicated tools required, convenient for using. Extend service life, keep dirt and water out of your hubs and bearings.