The GalvX Super Lube Hub has a completely sealed grease reservoir chamber for maximum lubrication. A rubber expansion access cap allows grease to expand and contract while also simplifying repacking. A nut locking pin prevents grease leakage during the lubrication process. Features an easily accessible grease channel with grease fitting and double lip spring grease seal. Hub kit comes complete with bearings, seals, dust cap, cotter key, and lug nuts.