Best Chromoly Tubing For Roll Cage: Compare 10 Options

#1 · Best Overall

1. Speedway Motors 1 x .095 Tube

• Dimensions: 84"L x 1"W
• Dimensions L x W: 84"L x 1"W
• Material Type: Chromoly

Best for: Thicker-wall one-inch tubing.

Why it ranks #1: Its 1-inch outside diameter, .095-inch wall, and 7-foot length are clearly specified, and the listing names roll cages among its intended uses.

The 0.095-inch wall sets this seven-foot, one-inch-OD 4130 chromoly tube apart for projects specifying a thicker wall at that diameter. Speedway Motors lists roll cages, race-car chassis, roll bars, bumpers, and nerf bars among its applications, making the dimensions relevant to a range of automotive fabrication plans.

This tube pairs a 1.000-inch outside diameter with a 0.095-inch wall, giving buyers a defined alternative when a plan calls for that specific combination. Its 84-inch pre-cut length can serve a longer fabrication run without first sourcing a full-length stock tube. Speedway Motors names 4130 chromoly and several structural automotive uses, including roll cages and chassis; those stated applications help guide selection, while the project’s exact specifications still determine fit.

Skip it if you need a thinner 1-inch wall specification; Speedway Motors B075NPSLC1 lists 0.065 inch at the same outside diameter.

This suits builders whose cage or chassis plan calls for one-inch 4130 tubing with a 0.095-inch wall, supplied in seven feet. Its thicker wall is a specific fit consideration, not a substitute for checking project requirements.

Listed on Amazon as: 4130 Chromoly Steel Tubing 1in OD, .095 Wall, 7ft Length

#2 · Best 3-Foot Section

2. Speedway Motors 1-3/8 x .095 Tube

• Dimensions: 36"L x 1.5"W
• Dimensions L x W: 36"L x 1.5"W
• Material Type: Chromoly

Best for: Short 13⁄8-inch tube sections.

Why it ranks #2: This 4130 tube has a 1.375-inch outside diameter, .095-inch wall, and pre-cut 3-foot length for shorter fabrication runs.

A pre-cut three-foot length is the practical distinction of this 13⁄8-inch, 0.095-wall 4130 chromoly tube. Speedway Motors lists roll cages, race-car chassis, bumpers, and nerf bars among its uses, while the shorter section can help limit excess stock when a fabrication plan needs a compact run.

The 1.375-inch outside diameter and 0.095-inch wall give fabricators exact dimensions to compare against a cage or chassis plan. Its 36-inch pre-cut length may make handling and allocation easier for a short section, and the listing specifically identifies 4130 chromoly with automotive fabrication uses. That convenience comes with a clear boundary: a single piece supplies only three feet of continuous tubing, so longer runs require additional material and suitable joins in the build plan.

Skip it if you need seven feet in one piece; Speedway Motors B07N7R6P2D offers a seven-foot pre-cut tube, though with different dimensions.

This fits a project calling for 13⁄8-inch 4130 tube and a 0.095-inch wall in a compact three-foot section. Choose it for short runs, and account for the limited continuous length when planning a larger cage.

Listed on Amazon as: Speedway Motors Round Chromoly Chassis Tube 1-3/8 Inch OD x .095 Wall 3 Foot Length 4130 Steel for Roll Cages Race Car Chassis Bumpers Nerf Bars

#3 · Largest Speedway Diameter

3. Speedway Motors 1-5/8 x .083 Tube

• Dimensions: 84"L x 1"W
• Dimensions L x W: 84"L x 1"W
• Material Type: Chromoly

Best for: Large-diameter cage fabrication.

Why it ranks #3: The 1.625-inch outside diameter and .083-inch wall distinguish this 7-foot 4130 option, which is listed for roll cages and chassis work.

A 1.625-inch outside diameter paired with a 0.083-inch wall distinguishes this seven-foot 4130 chromoly tube for larger-diameter fabrication plans. The pre-cut length is intended for work such as roll cages, race-car chassis, roll bars, bumpers, and nerf bars, offering a substantial section for custom automotive builds.

The 1.625-inch diameter and 0.083-inch wall give fabricators clear dimensions to compare with a chassis or cage plan before cutting. Speedway Motors identifies 4130 chromoly steel and a seven-foot pre-cut length, so the stock arrives as a defined section rather than an unspecified run. Its stated use across cages, chassis, roll bars, bumpers, and nerf bars suits varied motorsports fabrication, while the large diameter makes exact dimensional compatibility essential.

Skip it if you need a 1-inch outside diameter for your plan; Speedway Motors B075NMJSJP offers that diameter with a 0.095-inch wall.

This fits fabricators whose roll-cage, chassis, or bar specifications call for 1.625-inch 4130 tube with a 0.083-inch wall. Check the plan’s required diameter and wall before committing to this seven-foot section.

Listed on Amazon as: Round Chromoly Chassis Tube, 1-5/8 x 0.083 Inch, 7 Foot Length

#4

4. Speedway Motors 1-1/4 x .065 Tube

• Dimensions: 73.1"L x 1.5"W
• Dimensions L x W: 73.1"L x 1.5"W
• Material Type: Chromoly

Best for: 11⁄4-inch seven-foot runs.

Why it ranks #4: Its 1.25-inch outside diameter and .065-inch wall offer a distinct size combination in a listed 7-foot 4130 tube for roll cages.

The 1.25-inch outside diameter and 0.065-inch wall give this seven-foot 4130 chromoly tube a precise place in chassis fabrication plans. Speedway Motors identifies roll cages, race-car chassis, roll bars, bumpers, and nerf bars as uses, while its pre-cut length provides a substantial section for a continuous run.

The listed 1.25-inch diameter and 0.065-inch wall help buyers check a specific tube combination against their build requirements before cutting. At seven feet, the pre-cut section supports a longer run and can reduce the need to assemble a short piece from multiple lengths. The 4130 chromoly material and named automotive applications make the intended fabrication context clear, but the supplied details do not replace the project’s own dimensional and design specifications.

Skip it if you need a one-inch tube; Speedway Motors B075NPSLC1 specifies 0.065-inch wall, while Speedway Motors B075NMJSJP specifies 0.095 inch.

This is suited to a cage or chassis build specifying 11⁄4-inch 4130 chromoly with a 0.065-inch wall and a seven-foot section. Match both dimensions to the project plan before choosing this tube.

Listed on Amazon as: Round Chromoly Chassis Tube, 1-1/4 x 0.065 Inch, 7 Foot Length

#5 · Best 4-Foot Section

5. Allstar 1-3/8 x .095 Tube

• Dimensions: 48"L x 1.38"W
• Dimensions L x W: 48"L x 1.38"W

Best for: Four-foot 13⁄8-inch sections.

Why it ranks #5: This chrome-moly tube measures 1-3/8 inches by .095 inch and comes in a 4-foot length, useful when that specific cut size fits the build.

A 48-inch length and 13⁄8-inch outside diameter define this Allstar Performance chrome-moly round tubing for shorter fabrication runs. The 0.095-inch wall is also specified, giving buyers three concrete dimensions to compare with a roll-cage, chassis, or other automotive project before laying out cuts.

This four-foot section offers a shorter stock length than the seven-foot tubes in the roundup, which can suit a project requiring a limited run or a compact piece to handle. Its 13⁄8-inch outside diameter and 0.095-inch wall let fabricators check dimensional requirements before work begins. Allstar identifies the material as chrome moly and the item as round tubing; the supplied details do not specify a particular roll-cage fitment or an additional certification.

Skip it if you need a longer single section; Speedway Motors B075NP43PL lists a three-foot piece, while Speedway Motors B075NPSLC1 offers seven feet.

Pick this for a fabrication plan calling for 13⁄8-inch chrome-moly tube with a 0.095-inch wall in a four-foot section. Confirm that its shorter length and specified dimensions suit the planned cuts and assembly.

Listed on Amazon as: Allstar Performance Chrome Moly Round Tubing 1-3/8in x .095in x 4ft

#6 · Largest Diameter

6. Shapiro Supply 2 x .095 Tube

• Dimensions: 72"L x 2"W
• Dimensions L x W: 72"L x 2"W
• Material Type: Alloy Steel 4130

Best for: Two-inch 4130 tube buyers.

Why it ranks #6: The 2-inch outside diameter and .095-inch wall make this 6-foot 4130 round tube the largest-diameter option listed.

The two-inch outside diameter is the defining feature of this 72-inch 4130 alloy-steel round tube. It meets MIL-T-6736, a stated specification for this product, and is identified for aircraft and transportation tubing use—useful details for buyers comparing material and dimensions against a custom fabrication plan.

Shapiro Supply lists a two-inch-wide, six-foot-long round tube made from Alloy Steel 4130, giving buyers concrete dimensions and material to evaluate for a project. The product information says it meets MIL-T-6736 and describes round tubing for aircraft and transportation. Those details support specification-led selection, but do not establish a specific roll-cage application or wall thickness; buyers should work from the requirements of their own fabrication plan rather than infer either detail.

Skip it if you need a listed wall thickness for cage planning; Speedway Motors B075NPCFHP specifies 0.065 inch.

Consider this tube when a 72-inch round 4130 section and two-inch outside diameter match your documented fabrication needs. Its stated MIL-T-6736 compliance is useful context, but the missing wall-thickness specification limits selection by that dimension.

Listed on Amazon as: Alloy 4130 Steel Round Tube – 2" x .095" x 72"

#7

7. Speedway Motors 1 x .065 Tube

• Dimensions: 84"L x 1"W
• Dimensions L x W: 84"L x 1"W
• Material Type: Chromoly

Best for: Lightweight 1-inch fabrication.

Why it ranks #7: This 7-foot 4130 tube has a 1-inch outside diameter and .065-inch wall, and the listing explicitly includes roll cages among its uses.

The 1-inch outside diameter and 0.065-inch wall make this 4130 chromoly tube a defined option for lighter-dimension chassis work. Its seven-foot pre-cut length gives fabricators a substantial section for roll cages, roll bars, race-car chassis, bumpers, or nerf bars without starting from a full stock length.

Speedway Motors specifies 4130 chromoly steel and a 0.065-inch wall, pairing the named material with a relatively slim wall dimension for projects where those measurements match the fabrication plan. The 84-inch pre-cut section can help reduce initial measuring and stock handling for a seven-foot run. Its stated applications include roll cages and race-car chassis as well as bumpers and nerf bars, so one tube format can serve several automotive fabrication tasks.

Skip it if you need a 0.095-inch wall at the same 1-inch outside diameter; Speedway Motors B075NMJSJP lists that thicker-wall option.

Choose this for a fabrication plan calling for 1-inch, 0.065-wall 4130 tubing in a seven-foot section, including roll-cage or chassis work. Its precise diameter and wall specification should match the project requirements.

Listed on Amazon as: Round Chromoly Chassis Tube, 1 x 0.065 Inch, 7 Foot Length, Universal Fit

#8

8. Speedway Motors 1 x .058 Tube

• Dimensions: 73.1"L x 1"W
• Dimensions L x W: 73.1"L x 1"W
• Material Type: Chromoly

Best for: Thin-wall one-inch fabrication.

Why it ranks #8: The 1-inch outside diameter, .058-inch wall, and 7-foot pre-cut length make its dimensions identifiable for a design calling for that combination.

A 0.058-inch wall paired with a one-inch outside diameter defines this seven-foot 4130 chromoly tube. Speedway Motors lists the tube for roll cages, chassis fabrication, roll bars, bumpers, and nerf bars, giving builders a specific thin-wall option to compare with a project’s stated dimensions.

The 1.000-inch outside diameter and 0.058-inch wall make the dimensional choice clear for buyers following a plan that specifies both measurements. Its pre-cut seven-foot length supplies a continuous section for a longer fabrication run, while the 4130 chromoly construction and listed automotive uses connect it directly to chassis and cage projects. The thinner wall is a key selection boundary: the product should not be treated as interchangeable with tubing specified at a thicker gauge.

Skip it if you need a thicker wall at one-inch diameter; Speedway Motors B075NMJSJP specifies 0.095 inch for its seven-foot tube.

Select this for a roll-cage or chassis plan that expressly calls for one-inch 4130 tubing with a 0.058-inch wall. Its seven-foot length supports a longer run, but wall specification remains the decisive fit check.

Listed on Amazon as: Speedway Motors 1 Inch Round Chromoly Chassis Tube 0.058 Wall Thickness, 7 Foot Length, 4130 Steel Tubing for Roll Cages, Chassis Fabrication, Universal Fit

#9

9. Shapiro Supply 5/8 x .049 Tube

• Dimensions: 72"L x 0.62"W
• Dimensions L x W: 72"L x 0.62"W
• Material Type: Alloy Steel 4130

Best for: Narrow-diameter 4130 projects.

Why it ranks #9: This 4130 tube measures 5/8 inch by .049 inch and is 6 feet long; its smaller dimensions make it less directly suited to a main cage member.

At 5/8-inch outside diameter with a 0.049-inch wall, this 72-inch 4130 round tube gives small-diameter fabrication plans a clearly specified section. Shapiro Supply states that it meets MIL-T-6736 and identifies the tubing for aircraft and transportation use, helping buyers compare its dimensions and material with a project specification.

The listed 5/8-inch diameter and 0.049-inch wall provide two concrete measurements for checking a fabrication plan, while the 72-inch length defines the available section. Alloy Steel 4130 identifies the material, and the MIL-T-6736 statement adds a named specification for buyers to consider. The product description refers to aircraft and transportation tubing, but does not name roll cages; use it for cage work only when the project’s requirements support these dimensions and application.

Skip it if you need a 1-inch cage tube; Speedway Motors B075NPSLC1 lists that diameter with a 0.065-inch wall.

This is for buyers whose documented fabrication plan calls for a narrow 5/8-inch 4130 tube, 0.049-inch wall, and six-foot length. The stated aircraft and transportation use does not by itself establish suitability for a roll cage.

Listed on Amazon as: Alloy 4130 Steel Round Tube – 5/8" x .049" x 72"

#10

10. Allstar 1/2 x .049 Tube

• Dimensions: 48"L x 0.5"W
• Dimensions L x W: 48"L x 0.5"W

Best for: Half-inch detail fabrication.

Why it ranks #10: Its 1/2-inch outside diameter, .049-inch wall, and 4-foot length are the smallest listed dimensions, so verify its intended role rather than assume it suits a cage member.

The half-inch outside diameter makes this four-foot Allstar Performance chromoly tube a small-format choice for fabrication plans specifying narrow round stock. Its 0.049-inch wall is listed alongside its length and material, giving buyers defined measurements to assess for a particular project rather than relying on an unspecified tube size.

Allstar specifies chromoly round tubing with a 0.5-inch outside diameter, 0.049-inch wall, and 48-inch length. Those dimensions can help a fabricator check a small tube requirement and plan around a manageable four-foot section. The listing does not identify a roll-cage application or provide a named material standard, so the product’s stated details support dimensional comparison but do not establish suitability for a particular cage design or structural role.

Skip it if you need a named cage application and 1-inch diameter; Speedway Motors B075NPSLC1 lists both roll-cage use and that tube size.

Choose this only when a project specifically calls for half-inch chromoly round tubing with a 0.049-inch wall and four-foot length. Its listed details do not identify a cage application, so project documentation should guide that decision.

Listed on Amazon as: Allstar Performance ALL22010-4 Steel Tubing, 0.5 in OD, 0.049 in Wall Thickness, 4 ft Long, Chromoly, Natural, Each