Reference
Power rack upright sizes and hole diameters for pulley mounts
Pick your rack's upright size to see how to measure it, the hole diameters it comes with, and the pulley mounts whose makers list that fit.
- 2x2 in uprights
- 2x3 in uprights
- 3x3 in (true) uprights
- 50 mm uprights (sold as "2x2")
- 75 mm uprights (metric "3x3")
Choose your rack upright size to see the key facts and what fits. Each fact links to its source on the full page.
All rack upright sizes
- 2x2 in uprights What 2x2 in means in millimeters, how it gets confused with 50 mm tubing, the hole sizes makers list for it, and which pulley mount lists 2x2 fit.
- 2x3 in uprights What 2x3 in tubing measures in millimeters, the hole sizes makers list for it, which pulley mounts name 2x3 fit, and how to check which face has the holes.
- 3x3 in (true) uprights What a true 3x3 in upright measures, how it differs from metric 75 mm "3x3", the hole sizes makers name, and which pulley mounts list or exclude it.
- 50 mm uprights (sold as "2x2") How 50 mm tubing compares with a true 2x2 in upright, and which pulley mount lists a 50 x 50 mm variant under a 2x2 label.
- 75 mm uprights (metric "3x3") How metric 75 mm "3x3" tubing differs from true 3x3, the hole sizes Fringe lists for it, and which pulley mounts name a 75 x 75 mm fit.