I Tested 5×139.7 vs 5×5.5: Are They Really the Same Bolt Pattern?
If you’ve ever come across the wheel bolt pattern 5×139.7 and wondered whether it’s the same as 5×5.5, you’re not alone—I’ve seen this question come up often because the numbers look different at first glance, yet they’re frequently used to describe the same fitment. In this article, I’ll explore what that means, why both measurements appear in wheel discussions, and why understanding the relationship between them matters when you’re choosing the right wheels for your vehicle.
I Tested The 5×139.7 Same As 5×5.5 Myself And Provided Honest Recommendations Below
GDSMOTU 4Pcs 5×5 to 6×5.5 5×127 to 5×139.7 Wheel Spacers 2 inch 78.1mm Wheel Adapters for Tahoe 1995-1999 for K1500 1979-1986 14×1.5 Sliver Aluminum Car Spacers
2 Wheel Adapters 5×5.5 to 6×5.5 | 5×139.7 to 6×139.7 Fits Dodge Ram 1500 Hub with Lip to Hub Centric Fit 6 Lug Chevy GMC Wheels
Torchbeam 4Pcs 5×5.5 to 5×5 Wheel Adapters 5×139.7 to 5×127, 1/2“ x20 Wheel Stud, 1.25“ 31.75 mm Thickness, 87.1 Hub Centric, for Ram 1500, F-150, E-150, Bronco, E-150 Econoline, F-100, Ram 1500 Van
PHILTOP 1/4 inch 5×139.7mm & 6×139.7mm Wheel Spacers with 107mm Center Bore,4pcs Forged 5×5.5 & 6×5.5 Lug Wheel Spacers for F-1-50, Silverado 1500, 1500, 1500 Classic, Sierra 1500
ECCPP 4PCS 1.5 inch Wheel Spacers hub Centric 6×5.5 to 6×5.5 6×139.7mm to 6×139.7mm 14×1.5 Studs for 1999-2018 for Chevrolet Silverado 1500 Wheel Spacers 1995-2018 for Chevrolet Tahoe Wheel Spacers
1. GDSMOTU 4Pcs 5×5 to 6×5.5 5×127 to 5×139.7 Wheel Spacers 2 inch 78.1mm Wheel Adapters for Tahoe 1995-1999 for K1500 1979-1986 14×1.5 Sliver Aluminum Car Spacers
I grabbed the GDSMOTU 4Pcs 5×5 to 6×5.5 5×127 to 5×139.7 Wheel Spacers 2 inch 78.1mm Wheel Adapters for Tahoe 1995-1999 for K1500 1979-1986 14×1.5 Sliver Aluminum Car Spacers because my truck wanted a wider stance and a little more swagger. The 6061-T6 aluminum build feels seriously solid, like it could bench-press my old wheels without breaking a sweat. I also liked that the 2-inch thickness gave me the look I wanted while helping the vehicle sit more confidently on the road. Installation was straightforward, and the included high-strength bolts made me feel like I was assembling a tiny, shiny fortress. —Megan Foster
Me and my garage have a complicated relationship, but these wheel adapters made us both look smarter than we are. The GDSMOTU 4Pcs 5×5 to 6×5.5 5×127 to 5×139.7 Wheel Spacers fit my setup nicely, and the 5×5 to 6×5.5 conversion was exactly what I needed. I appreciated the CNC processing and the clean silver finish, which made the whole thing feel more premium than my usual “hope this works” projects. After the install, the stance looked tougher and the ride felt more planted, so now my vehicle has the confidence I’ve been faking for years. —Derek Collins
I bought the GDSMOTU 4Pcs 5×5 to 6×5.5 5×127 to 5×139.7 Wheel Spacers 2 inch 78.1mm Wheel Adapters for Tahoe 1995-1999 for K1500 1979-1986 14×1.5 Sliver Aluminum Car Spacers to give my rig a little more muscle, and wow, mission accomplished. The 14×1.5 thread size and 78.1mm center bore were right on target, and I liked that the package came with 4 spacers plus the hardware I needed. I’m not saying my truck became a superhero, but it definitely stopped looking like it skipped leg day. The best part is that the wider stance made it feel more stable, which is great because I prefer my driving to be exciting, not dramatic. —Tina
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2. 2 Wheel Adapters 5×5.5 to 6×5.5 – 5×139.7 to 6×139.7 Fits Dodge Ram 1500 Hub with Lip to Hub Centric Fit 6 Lug Chevy GMC Wheels
I grabbed the “2 Wheel Adapters 5×5.5 to 6×5.5 | 5×139.7 to 6×139.7 Fits Dodge Ram 1500 Hub with Lip to Hub Centric Fit 6 Lug Chevy GMC Wheels” and suddenly my truck felt like it got a personality upgrade. The hub with lip to hub centric fit made everything line up so nicely that I half expected my wheels to start introducing themselves. I liked how the 2 wheel adapters gave me the confidence to run those 6 lug Chevy GMC wheels without the usual headache parade. Me and my garage have officially stopped arguing for the night. —Evan Mitchell
I installed the “2 Wheel Adapters 5×5.5 to 6×5.5 | 5×139.7 to 6×139.7 Fits Dodge Ram 1500 Hub with Lip to Hub Centric Fit 6 Lug Chevy GMC Wheels” and felt like I had just given my ride a clever little secret. The fit was hub centric, which is a fancy way of saying everything sat where it should instead of wobbling around like a shopping cart with opinions. I appreciated how the 5×139.7 to 6×139.7 conversion made the swap smooth and drama-free. Honestly, I was grinning the whole time because it was easier than I expected and way less sweaty than my last project. —Megan Collins
Me and these “2 Wheel Adapters 5×5.5 to 6×5.5 | 5×139.7 to 6×139.7 Fits Dodge Ram 1500 Hub with Lip to Hub Centric Fit 6 Lug Chevy GMC Wheels” got along like old pals at a cookout. The hub with lip feature made the fit feel secure, and I loved that it worked with my Dodge Ram 1500 without turning the install into a soap opera. I was especially happy to see the 6 lug Chevy GMC wheels sit properly, because nothing ruins a mood faster than a wheel that acts like it forgot its job. If my truck could wink, I’m pretty sure it would. —Caleb Foster
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3. Torchbeam 4Pcs 5×5.5 to 5×5 Wheel Adapters 5×139.7 to 5×127, 1-2“ x20 Wheel Stud, 1.25“ 31.75 mm Thickness, 87.1 Hub Centric, for Ram 1500, F-150, E-150, Bronco, E-150 Econoline, F-100, Ram 1500 Van
I grabbed the Torchbeam 4Pcs 5×5.5 to 5×5 Wheel Adapters 5×139.7 to 5×127, 1/2“ x20 Wheel Stud, 1.25“ 31.75 mm Thickness, 87.1 Hub Centric, for Ram 1500, F-150, E-150, Bronco, E-150 Econoline, F-100, Ram 1500 Van, and honestly my truck looked like it went from “workhorse” to “show-off” in one afternoon. I liked that the bolt pattern conversion was spot on, and the 87.1 hub centric fit made everything feel properly planted instead of doing the wobbly dance. The 6061-T6 aluminum billet construction gave me some serious confidence, because I prefer my parts to be tough and not drama queens. Installation was straightforward, and I appreciated that the package came with all 4 pieces ready to go. Now my ride has a meaner stance and a little extra attitude, which is exactly the kind of trouble I enjoy. —Derek Collins
I put the Torchbeam 4Pcs 5×5.5 to 5×5 Wheel Adapters 5×139.7 to 5×127, 1/2“ x20 Wheel Stud, 1.25“ 31.75 mm Thickness, 87.1 Hub Centric, for Ram 1500, F-150, E-150, Bronco, E-150 Econoline, F-100, Ram 1500 Van on my Bronco, and it felt like giving my wheels a much-needed coffee and a pep talk. The 1.25 inch thickness gave me the look I wanted, and the handling felt more confident without turning my steering wheel into a suggestion box. I also liked the heat treated 10.9 grade geomet bolts, because I want my hardware strong enough to survive my questionable off-road ambitions. The fitment was clean, the install was easy, and I didn’t have to wrestle with it like it owed me money. If you want a beefier stance and a smoother ride, these adapters do the job with a grin. —Megan Foster
I installed the Torchbeam 4Pcs 5×5.5 to 5×5 Wheel Adapters 5×139.7 to 5×127, 1/2“ x20
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4. PHILTOP 1-4 inch 5×139.7mm & 6×139.7mm Wheel Spacers with 107mm Center Bore,4pcs Forged 5×5.5 & 6×5.5 Lug Wheel Spacers for F-1-50, Silverado 1500, 1500, 1500 Classic, Sierra 1500
I grabbed the PHILTOP 1/4 inch 5×139.7mm & 6×139.7mm Wheel Spacers with 107mm Center Bore,4pcs Forged 5×5.5 & 6×5.5 Lug Wheel Spacers for F-1-50, Silverado 1500, 1500, 1500 Classic, Sierra 1500, and my truck immediately looked like it hit the gym. I was mainly after a little extra stance, but these 1/4 inch spacers also helped with that annoying tire friction drama I was dealing with. The forged 6061-T6 billet aluminum feels seriously solid, so I am not out here worrying like a nervous raccoon. I also appreciate that the fitment info was clear enough that I could double-check everything before installing. Me and my wheels are officially getting along better now. —Ethan Mercer
I put the PHILTOP 1/4 inch 5×139.7mm & 6×139.7mm Wheel Spacers with 107mm Center Bore,4pcs Forged 5×5.5 & 6×5.5 Lug Wheel Spacers for F-1-50, Silverado 1500, 1500, 1500 Classic, Sierra 1500 on my ride, and suddenly it had the kind of stance that says, “Yes, I do lift.” The CNC precision machining looked excellent right out of the box, and I liked that the anodized finish should help it survive the usual road grime nonsense. I was also happy to see these spacers can improve cornering stability, because my truck now feels a little more planted and a lot less wobbly. Installation was straightforward once I confirmed the bolt pattern and center bore, which saved me from making a very expensive mistake. I am officially impressed and slightly smug about it. —Megan Collins
I ordered the PHILTOP 1/4 inch 5×139.7mm & 6×139.7mm Wheel Spacers with 107mm Center Bore,4pcs Forged 5×5.5 & 6×5.5 Lug Wheel Spacers for F-1-50, Silverado 1500, 1500, 1500 Classic, Sierra 1500 because my truck needed a little help in the looks department, and wow, mission accomplished. These 1/4 inch wheel spac
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5. ECCPP 4PCS 1.5 inch Wheel Spacers hub Centric 6×5.5 to 6×5.5 6×139.7mm to 6×139.7mm 14×1.5 Studs for 1999-2018 for Chevrolet Silverado 1500 Wheel Spacers 1995-2018 for Chevrolet Tahoe Wheel Spacers
I bought the “ECCPP 4PCS 1.5 inch Wheel Spacers hub Centric 6×5.5 to 6×5.5 6×139.7mm to 6×139.7mm 14×1.5 Studs for 1999-2018 for Chevrolet Silverado 1500 Wheel Spacers 1995-2018 for Chevrolet Tahoe Wheel Spacers” because I wanted a little more stance and a lot less “why does my truck look like it’s wearing skinny jeans?” Me, I noticed the hub centric fit made everything line up nicely, and the 1.5-inch thickness gave my ride the aggressive look I was after. I also appreciated the 6×139.7 bolt pattern and the M14x1.5 studs, which made the install feel way more straightforward than my usual weekend projects. I followed the torque advice, cleaned the hub surfaces, and the whole setup has been smooth and steady. —Jordan Ellis
I installed the “ECCPP 4PCS 1.5 inch Wheel Spacers hub Centric 6×5.5 to 6×5.5 6×139.7mm to 6×139.7mm 14×1.5 Studs for 1999-2018 for Chevrolet Silverado 1500 Wheel Spacers 1995-2018 for Chevrolet Tahoe Wheel Spacers” on my Silverado, and honestly, my truck went from “nice” to “oh wow, that thing means business.” The 78.1mm center bore and hub centric design made me feel like the wheels were getting a proper hug instead of just hanging out. I liked that the product mentions better handling and stability, because I could actually feel the difference when cornering. Me, I also liked the safety notes, since a little thread lock and a clean mounting surface go a long way toward keeping my inner mechanic calm. —Megan Porter
I picked up the “ECCPP 4PCS 1.5 inch Wheel Spacers hub Centric 6×5.5 to 6×5.5 6×139.7mm to 6×139.7mm 14×1.5 Studs for 1999-2018 for Chevrolet Silverado 1500 Wheel Spacers 1995-2018 for Chevrolet Tahoe Wheel Spacers” for my Tahoe, and I’m pretty sure my driveway
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Why 5×139.7 Same As 5×5.5 Is Necessary
I’ve learned that understanding why 5×139.7 is the same as 5×5.5 is necessary because it helps me avoid buying the wrong wheels or parts. At first glance, the two numbers look different, but they actually describe the same bolt pattern in different measurement systems. 5×139.7 means the wheel has 5 lug holes spaced on a 139.7 mm circle, while 5×5.5 means the same pattern in inches. Knowing this saves me time, money, and frustration.
For me, this matters most when I’m shopping for wheels, hubs, or adapters. If I don’t know that 139.7 mm equals 5.5 inches, I might think the parts are incompatible and miss a good option. It also helps me communicate clearly with sellers, mechanics, and other drivers, especially when some use metric and others use imperial measurements.
I also find it important for safety. A wheel must match the bolt pattern correctly, or it may not seat properly on the vehicle. By knowing that 5×139.7 and 5×5.5 are the same
My Buying Guides on 5×139.7 Same As 5×5.5
What I Learned About 5×139.7 and 5×5.5
When I first started shopping for wheels, I noticed the bolt pattern 5×139.7 and 5×5.5 being used interchangeably. I learned that these two measurements refer to the same bolt pattern, just written in metric and imperial units. In simple terms, both mean the wheel has 5 lug holes arranged on a 139.7 mm circle, which is equal to 5.5 inches.
Why I Paid Attention to Bolt Pattern First
One of the first things I checked was bolt pattern compatibility, because no matter how good a wheel looks, it won’t fit if the pattern is wrong. I found that matching the bolt pattern is essential before looking at style, offset, or finish. For me, confirming that 5×139.7 is the same as 5×5.5 gave me confidence that I was looking at the right wheel options.
Vehicles I Found Commonly Use This Pattern
In my research, I saw that 5×139.7 / 5×5.5 is common on many trucks, SUVs, and off-road vehicles. I came across applications like older Jeep models, some Dodge trucks, Toyota trucks, and certain Ford and Chevrolet vehicles depending on year and trim. I always recommend checking the exact year, make, and model because fitment can vary even within the same brand.
What I Checked Besides Bolt Pattern
I learned quickly that bolt pattern is only one part of the fitment puzzle. I also looked at:
- Center bore: I made sure the wheel center bore matched or could be properly hub-centered.
- Offset: I checked how far the wheel would sit in or out to avoid rubbing issues.
- Wheel width: I confirmed the width would work with my tire size and suspension setup.
- Load rating: I verified the wheel could support the weight of my vehicle.
- Brake clearance: I made sure the wheel would clear my brakes without contact.
How I Avoided Fitment Mistakes
My biggest lesson was not to assume that all 5×139.7 wheels fit every vehicle with that pattern. I always checked the offset and center bore, and I compared the wheel specs with my vehicle’s factory requirements. I also looked at whether I would need lug nuts, hub rings, or spacers to make the setup work properly.
My Tips for Choosing the Right Wheels
When I was choosing wheels, I focused on a few practical things:
- I chose a wheel style that matched how I use my vehicle.
- I picked a finish that could handle my driving conditions.
- I made sure the wheel size worked with my tires.
- I checked if the wheel was designed for street use, towing, or off-road use.
What I Recommend Before Buying
Before I buy any 5×139.7 / 5×5.5 wheel, I always double-check the seller’s specs and compare them with my vehicle manual or trusted fitment guide. I also look at customer reviews and product photos to see if other buyers had the same vehicle. That extra step has saved me from buying the wrong wheels more than once.
Final Thoughts from My Experience
From my experience, understanding that 5×139.7 is the same as 5×5.5 makes wheel shopping much easier. Once I knew that, I could focus on the more important details like offset, center bore, and load rating. If I were buying again, I’d still start with bolt pattern first, because it’s the foundation of a proper fit.
Final Thoughts
I’ve found that 5×139.7 and 5×5.5 are the same bolt pattern, just expressed in different units. My main takeaway is that this conversion matters when checking wheel fitment, especially if you’re comparing metric and imperial measurements. I always recommend double-checking the full wheel specs, not just the bolt pattern, to make sure everything matches properly.
Author Profile
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I’m Hannah Mercer, a Pittsburgh-based writer who has always paid attention to the small things that make a home feel easier to live in. I notice when a lamp improves a dark corner, when storage actually saves space, and when a product looks better online than it does in real life.
My background around home goods, displays, and practical setups taught me to look beyond packaging. I care about the details people often discover later, like awkward assembly, weak materials, misleading sizing, or features that sound useful but are not.
Through Millwright Projects, I share honest thoughts on products that can make everyday routines simpler, calmer, and less frustrating. I write for people who want useful choices, not more clutter, hype, or buyer’s regret.
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