Total Gym Replacement Set of 4 Wheels/rollers for Models 1400, 1500, 1600, 1700, 1800, 1900, Achiever, Core, Elite, Force, Gold, Gold Plus, Max, Platinum, Platinum Plus, Power Platinum, Premiere, Pro, Supra, Supreme, Ultima, Ultra, X-Force, and XLi,All bearings are included Wheels are designed with smoother and quieter material.Lab and gym tested and approved. The package includes: rollers and gaskets.The diameter of the bearing thru hole is about 5/16" Please feel free to contact with us if you are not sure this kit fits your model ,please feel free to email us or comment in Q&A Total Gym Replacement Set of 4 Wheels/rollers for Models , 1400, 1500, 1600, 1700, 1800, 1900, Achiever, Core, Elite, Force, Gold, Gold Plus, Max, Platinum, Platinum Plus, Power Platinum, Premiere, Pro, Supra, Supreme, Ultima, Ultra, X-Force, and XLi,All bearings are included.

Wheels are designed with smoother and quieter material.Lab and gym tested and approved.

The package includes: rollers and gaskets.The diameter of the bearing thru hole is about 5/16"

Please feel free to contact with us if you are not sure this kit fits your model ,please feel free to email us or comment in Q&A.