Gear library

Rogue Fitness / Barbells

Rogue Ohio Bar - Black Oxide

A 20 kg mixed-use barbell with a 28.5 mm shaft and dual knurl marks for a room that can support a full Olympic sleeve and a repeatable rack-and-plate path.

Rogue Ohio Bar in black oxide shown horizontally with knurled shaft, sleeves, and endcap visible
Manufacturer image, captured 2026-08-08. Specifications remain source-bound below.Image source

Best fit when

  • A dedicated strength room or garage with a rack, plate storage, and a controlled floor boundary
  • People who want one mixed-use bar rather than a specialty power or Olympic bar

Choose another path when

  • You cannot store an 86-inch bar safely or establish a clear loading and return path
  • You need a smaller bar format or a center knurl for a specialized lifting job

Training jobs

What earns the floor space.

  1. 01Build one general-purpose barbell path for squats, presses, deadlifts, cleans, and snatches
  2. 02Use a standard Olympic sleeve format with separate powerlifting and Olympic hand references

Sourced specifications

Facts with a visible source.

Bar use
Multi-purpose bar for power, Olympic, and general training listed by Rogue
Source
Weight and diameter
20 kg bar with a 28.5 mm shaft listed by Rogue
Source
Knurl markings
Dual Olympic and powerlifting knurl marks with no center knurl listed by Rogue
Source
Shaft and sleeve finish
Black oxide shaft and sleeves listed by Rogue
Source
Declared steel
190,000 PSI tensile-strength steel listed by Rogue
Source

Test queue

The protocol is assigned. The result is not.

Assigned protocol / version 1.0Barbell Test Protocol

Documents one barbell sample's dimensions, markings, sleeve fit, knurl and finish condition, storage path, and declared use boundary without certifying a lift, rack, plate, floor, or user's capacity.

Hands-on gate
3 measurements / 4 observations
Long-term gate
90 days / 20 sessions

0 completed first-party sessions. This record remains spec-reviewed, and no measurement or use result is implied.

  1. 01
    Bar dimensions

    Record the overall length, shaft diameter, sleeve diameter, and loadable sleeve length at repeatable points.

    3x
  2. 02
    Bar weight

    Record the mass of the complete sample and distinguish the measured sample from the manufacturer's declared weight format.

    3x
  3. 03
    Sleeve and collar fit

    Record how the sample accepts the declared plate and collar format without treating fit as a bar or plate safety certification.

    3x
  4. 04
    Knurl and markings

    Document the knurl pattern, center mark, dual marks, endcap text, and visible product identification on the sample.

    2x
  5. 05
    Finish and sleeve condition

    Record the visible coating, sleeve contact, corrosion, burrs, and finish changes without converting one sample into a durability claim.

    3x
  6. 06
    Storage envelope

    Measure the space needed to store, retrieve, and return the sample without striking nearby surfaces or people.

    3x
  7. 07
    Controlled handling path

    Record the unloaded carry, support, and return path for the sample inside the declared room boundary.

    3x
  8. 08
    Ownership condition log

    Record changes in finish, knurl, sleeves, endcaps, and storage contact over time without inventing a durability threshold.

    1x
Read the complete protocol registry

Tradeoffs

What the recommendation does not hide.

  • The black oxide finish needs more maintenance and has lower oxidation resistance than some coated finishes
  • A 20 kg bar and full sleeve need a rack, plates, storage, and room clearance before they become a useful system