Ultra 6x139.7 wheels bring the brand's truck, SUV, and overlander designs to one of the most common six-lug bolt patterns on the road. This pattern spans a wide slice of the Ultra lineup, from rugged machined-accent designs to clean satin black and bronze finishes, in diameters running 15, 16, 17, 18, 20, and even 22 inches. Whether you're building a half-ton hauler or a trail-ready rig, the 6x139.7 fitment opens up dozens of distinct looks.
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Why the 6x139.7 Pattern Matters
6x139.7 (also written 6x5.5") is the workhorse six-lug pattern used across many popular trucks and body-on-frame SUVs. Choosing within a single proven pattern keeps fitment straightforward and lets you focus on diameter, width, offset, and finish rather than guessing at compatibility. Every Ultra design here is built as a one-piece monoblock casting, a construction approach prized for its straightforward strength on heavier vehicles. If you want to see how this pattern fits into the brand as a whole, browse the full Ultra lineup.
Which Models & Finishes Are Offered
The 6x139.7 pattern shows up across a deep roster of Ultra designs. Aggressive truck and Jeep styles include the 126BK Warmonger 6 in Gloss Black, the 237B Gauntlet in Matte Black, and the 201B Baron in Gloss Black w/Machined Accents. For a bolder palette, the 126BZ Warmonger 6 is offered in Bronze and Bronze w/Gloss Black Lip, while the 231BZ Butcher carries a Dark Satin Bronze. Machined and milled looks come through on the 178B Mongoose and the chrome 235C Maverick. Trail and beadlock-style builds reach their peak with the 103M X103 Xtreme, available in Polished and machined beadlock variations. Prefer to shop by color first? Compare the darker black Ultra wheels, warmer bronze Ultra wheels, brighter chrome Ultra wheels, or clean silver Ultra wheels.
Fitment Coverage
Many of these models are dual-drilled, so the same design frequently spans neighboring six-lug and five-lug patterns. If your vehicle runs a different pattern, the related Ultra 6x135 wheels, Ultra 5x139.7 wheels, Ultra 5x127 wheels, and Ultra 5x114.3 wheels pages cover those alternatives directly. Eight-lug heavy-duty and dually fitments live on the Ultra 8x165.1 wheels page. Diameter coverage in 6x139.7 is broad: shop by size with 16" Ultra wheels, 17" Ultra wheels, 18" Ultra wheels, or step up to 20" Ultra wheels.
How to Choose Your Ultra 6x139.7 Wheel
Start with diameter and tire plans, then narrow by offset and width to match your suspension and fender clearance. A 17-inch option like the 115M The General in Machined keeps sidewall for off-road compliance, while a 20-inch 230BM Villain in Gloss Black w/Milled Accents leans into a street-truck stance. For a satin street look, the 195SB Crusher and 226SB Machine in Satin Black are versatile picks; the 238B Gauntlet spans 17 through 20 inches in Matte Black. Need a value-focused trailer or utility fit? The 226U Machine Trailer covers it. Every order ships free, and financing is available through Affirm.
Frequently Asked Questions
What diameters come in the Ultra 6x139.7 pattern?
Offered diameters within this six-lug pattern include 15, 16, 17, 18, 20, and 22 inches, depending on the model you choose.
Are bronze and chrome finishes available in 6x139.7?
Yes. Bronze appears on designs like the 126BZ Warmonger 6 and Dark Satin Bronze on the 231BZ Butcher, while Chrome Plated is offered on the 235C Maverick.
How are these Ultra wheels constructed?
The 6x139.7 designs shown here, such as the 103M X103 Xtreme and 201B Baron, are built as one-piece monoblock castings.