Back rack 12500 Truck Bed Headache Rack 067742801517 XP Bearings: XP bearings are

XP Bearings: XP bearings are designed for dedicated track applications or street cars that may see extended circle track racing or endurance events

so no mixing or reducing is required

and odor-causing bacteria

Winters and SCP 5x5 GN hubs includes a retaining nut

Back rack 12500 Truck Bed Headache Rack 067742801517 XP Bearings: XP bearings areBrand Backrack Model 12500 Color Black Louvered Headache Rack Frame; Requires Installation Kit Sold Separately; BACKRACK(TM) has doubled the corrosion resistance on the Louvered Rack by E Coating the Frame before Powder Coating. Being unsatisfied with the Powder coverage in tight areas of the Louver assembly, BACKRACK(TM) does it right by immersing the entire Frame into a multi stage dip process to cover every hidden surface.