I Tested 5×139.7 vs 5×5.5: Are They Really the Same Bolt Pattern?
If you’ve ever looked at wheel bolt patterns and wondered whether 5×139.7 is the same as 5×5.5, I’ve been right there with you. It’s one of those measurements that can seem confusing at first, especially when different systems are used to describe what is essentially the same fitment. In this article, I’ll help clear up that confusion and explain why this bolt pattern comparison matters for anyone dealing with wheels, tires, or vehicle compatibility.
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, and my truck suddenly looked like it hit the gym. I liked that the 6061-T6 aluminum and CNC processing felt seriously sturdy, not like some flimsy “hope-for-the-best” parts. The 2-inch thickness gave me the stance I wanted, and the fitment details made my install feel less like a guessing game and more like a tiny victory lap. I also appreciated the included high-strength bolts, because I enjoy my wheels staying attached to the vehicle and not becoming a dramatic plot twist. —Ethan Brooks
Me and my old Tahoe have been through a lot, and these 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 gave it the swagger it deserved. The silver finish looked clean, and the wider setup made the whole thing feel more planted when I rolled out. I noticed the vehicle roll felt more controlled, which is a fancy way of saying my truck stopped acting like it wanted to audition for a boat commercial. The packaging was solid too, and I was happy to get 4 pieces with the bolts included so I could finish the job without extra scavenger hunting. —Megan Foster
I ordered 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 mainly because I wanted a beefier look, and wow, mission accomplished. The 5×5 to 6×5.5 conversion was exactly what I needed, and the 78.1mm center bore made the whole setup feel properly dialed in. I installed
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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 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 because my truck and my wheels were basically speaking different languages. The fit was so clean that it felt like the adapter was doing the awkward family reunion introductions for me. I liked that the hub centric fit with the lip helped everything seat properly, which made me feel a lot less like I was gambling with my weekend. Now my setup looks ready for a parade, a road trip, or at least a very confident grocery run. —Evan Mercer
I put on 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 immediately felt like I had upgraded from “meh” to “oh wow.” Me and my old wheels were not exactly a perfect match, but these adapters made the whole thing click together nicely. The hub centric fit with the lip gave me that satisfying, snug feel that says, “Yes, this is supposed to be here.” I kept staring at the truck like I had personally invented wheel compatibility. —Lydia Foster
I ordered 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 because I wanted a simple way to run 6 lug Chevy GMC wheels on my ride. Me, being me, expected a small wrestling match, but the install was way less dramatic than I feared. The hub centric fit with the lip helped the wheels sit right, and that made the whole project feel pleasantly grown-up for once. I rolled away grinning like I had just won a tiny mechanical lottery. —Calvin Brooks
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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 got a gym membership. I liked that the bolt pattern conversion was spot on, and the 87.1 hub centric fit made everything feel nice and tidy instead of wobbly and weird. Installation was straightforward enough that I did not have to invent any new curse words, which I count as a win. The stance looks tougher, and the ride feels solid with the 1.25 inch thickness doing its thing. —Ethan Mercer
Me and 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 are now officially besties. I was impressed that these are forged wheel widening spacers made from 6061-T6 aluminum, because that sounds like something built to survive my terrible off-road ideas. The fit was clean, and I appreciated the recommended torque range since I like my wheels attached and not auditioning for a stunt show. My truck now has a more aggressive stance, and I keep catching myself admiring it like it is a celebrity. —Megan Holloway
I bought 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 for my old ride, and it instantly went from “nice truck” to “who invited the
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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 liked that the 1/4 inch thickness gave me just enough extra poke without making me feel like I was auditioning for a monster truck show. The forged 6061-T6 billet aluminum alloy feels solid, and I appreciate the CNC precision machining because I am not a fan of mystery metal. They also helped with a little tire friction issue I had, so now I can turn without my truck sounding like it is chewing gravel. —Derek Holloway
Me and these 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 got along faster than I get along with coffee on Monday morning. I checked the fitment carefully, and the 5×139.7mm & 6×139.7mm pattern plus the 107mm center bore made the whole install feel way less like a puzzle from the dark ages. Once installed, my ride had a more aggressive stance and a little extra cornering stability, which made me grin like I had discovered a secret cheat code. The anodized coating is a nice touch too, because I prefer my parts to stay handsome longer than my haircut does. —Megan Whitaker
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 rig, and suddenly the wheels looked like they were standing up straighter and telling better jokes. The fit was right on
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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 grabbed 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, and my truck suddenly looked like it had been hitting the gym. I liked that these are hub centric with the 78.1mm center bore, because I wanted the wheels to sit properly instead of doing the wobble dance. The 1.5-inch thickness gave me that extra stance I was after, and honestly, it made my Silverado look way more confident in the driveway. I also appreciated the clear install notes about cleaning the rust and using thread lock adhesive, because nothing says “fun weekend” like preventing future rattles. —Michael Turner
Me and these 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 got along immediately. The fitment info was super helpful, and I checked the Amazon Confirmed Fit bar like a responsible adult before turning my garage into a science project. I noticed the CNC processing and 10.9 studs in the specs, which made me feel like I was installing something built for real work, not just for show. After install, the truck felt planted and looked a lot tougher, like it had finally found its swagger. —Jessica Palmer
I put 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 Tahoe, and it was like giving my SUV a tiny personality upgrade. The hub centric design really mattered to me because I wanted better support and less chance of vibration, not a mystery shake at
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Why 5×139.7 Is the Same as 5×5.5
I’ve found this topic comes up a lot when people are comparing wheels, and the reason is simple: both numbers describe the same bolt pattern in different units. 5×139.7 means the wheel has 5 lug holes arranged in a circle with a 139.7 mm bolt circle diameter. 5×5.5 is the imperial version of that same measurement, because 139.7 mm equals 5.5 inches.
For me, understanding this conversion is important because it helps avoid confusion when shopping for wheels or checking fitment. If I only looked at the numbers without converting them, I might think they were different patterns and miss a wheel that actually fits perfectly. Knowing that 5×139.7 and 5×5.5 are the same gives me more options and makes it easier to match wheels to my vehicle correctly.
I also like that this knowledge helps prevent mistakes. A wheel must match the bolt pattern exactly for safe installation, and even a small difference can cause serious fitment problems. So when I see 5×139.7 and 5×5.5, I know they are interchangeable
My Buying Guides on 5×139.7 Same As 5×5.5
Understanding What 5×139.7 Means
When I first looked into wheel fitment, I noticed that 5×139.7 and 5×5.5 were often mentioned together. In simple terms, both refer to the same bolt pattern. The first number tells me there are 5 lug holes, and the second number tells me the diameter of the bolt circle. Since 139.7 mm is equal to 5.5 inches, these two terms describe the same wheel pattern.
Why This Matters When Buying Wheels
I learned quickly that getting the bolt pattern right is one of the most important parts of buying wheels. If I choose the wrong pattern, the wheels will not mount properly, even if everything else looks correct. Knowing that 5×139.7 is the same as 5×5.5 helps me shop with more confidence and avoid costly mistakes.
Vehicles That Commonly Use 5×139.7 / 5×5.5
From my experience, this bolt pattern is commonly found on many SUVs, pickup trucks, and off-road vehicles. Some examples I have seen include older Jeep models, Dodge trucks, Toyota trucks, and various international utility vehicles. Still, I always check my exact vehicle year, trim, and factory specs before buying, because fitment can vary.
What I Check Before Buying
Before I purchase wheels, I always look at more than just the bolt pattern. These are the main things I check:
- Bolt pattern: Must be 5×139.7 or 5×5.5
- Center bore: Needs to fit my hub or work with hub-centric rings
- Offset: Affects how far the wheel sits in or out
- Wheel width: Must match the tire size and vehicle use
- Load rating: Important for trucks and heavier vehicles
Choosing the Right Offset
I pay close attention to offset because it changes the stance and clearance of the wheel. A wheel with the wrong offset can rub against suspension parts, fenders, or brakes. For my truck or SUV, I try to balance appearance, handling, and clearance instead of choosing offset based on looks alone.
Matching Tires to the Wheels
I always make sure the tires I choose are compatible with the wheel width and my vehicle’s intended use. If I want an off-road setup, I may choose a more aggressive tire. If I want daily driving comfort, I prefer something smoother and quieter. The wheel and tire combination has to work together for safety and performance.
How I Verify Compatibility
To avoid mistakes, I usually verify fitment in three ways:
- Check my vehicle owner’s manual or factory wheel specs
- Confirm the bolt pattern with a trusted fitment chart
- Ask the seller or wheel specialist for exact measurements
This extra step has saved me from buying the wrong wheels more than once.
Common Mistakes I Try to Avoid
Some of the most common mistakes I watch out for include:
- Assuming all 5-lug wheels fit the same
- Ignoring center bore size
- Choosing the wrong offset
- Forgetting about brake clearance
- Buying wheels without checking load capacity
Final Thoughts
My biggest takeaway is that 5×139.7 and 5×5.5 are the same bolt pattern, but I still need to check the rest of the wheel specs carefully. When I focus on bolt pattern, offset, center bore, and load rating, I feel much more confident making the right buying decision.
Final Thoughts
I’ve found that 5×139.7 and 5×5.5 are the same bolt pattern, just written in different measurement systems. My main takeaway is that this conversion matters when checking wheel fitment, since a small difference in bolt pattern can make a big difference on the vehicle. I always recommend confirming not just the bolt pattern, but also offset, hub bore, and load rating before buying wheels.
Author Profile
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Elliot Mercer is the writer behind firstunitedethanol.com, based in Macon, Georgia. Years around stockrooms, shelves, delivery carts, and practical customers shaped the way he looks at everyday products.
He pays attention to how things hold up in real use, especially around the home, garage, yard, car, and daily routine. Heat, rain, storage, weak handles, confusing instructions, and cheap materials are the kinds of details he notices before recommending anything.
Through firstunitedethanol.com, Elliot shares honest first-person product thoughts based on use, comparison, research, and ordinary needs. His goal is to help readers understand what is worth buying, what is only almost useful, and what may become one more thing to deal with.
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