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2027 Ram 1500 Rumble Bee SRT Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Ram 1500 Rumble Bee SRT wheels? This page gives the 2027 Ram 1500 Rumble Bee SRT bolt pattern (6x139.7), centre bore, factory rim size and the offset range for aftermarket and forged Ram 1500 Rumble Bee SRT rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2027 Ram 1500 Rumble Bee SRT uses a 6x139.7 bolt pattern with a 77.8 mm centre bore and M14x1.5 lug nuts. Factory wheels: 22x9.0J ET19, front and rear. For aftermarket wheels, 22x10.0J ET0 sits flush and 24x10.0J ET-12 is the most aggressive fit.
Forged wheels for the 2027 Ram 1500 Rumble Bee SRT — drilled 6x139.7 with a 77.8 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in 20–25 days.
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Ram 1500 Rumble Bee SRT (2027): 6x139.7 bolt pattern, 77.8mm center bore. Factory wheels: 22x9.0J at ET19 offset, front and rear. Reference fitment ranges.
Bolt Pattern6x139.7
Wheel Bolt/NutM14x1.5 Nut
Center Bore77.8mm
Wheel Load Rating1000–1400 kg/wheel (Pickup / Light Truck segment reference)
Caliper TypeBrembo 6-piston fixed front monoblock caliper (OEM, SRT/Hellcat)
Year2027
CategorySport Truck
✓ Data check: the bolt pattern and center bore on this page match an independent fitment reference. Last reviewed September 18, 2026. How we verify
Wheel Size & Offset at a Glance
| Configuration | Wheel Size & Offset |
|---|---|
| Factory (OE) | 22x9.0J F/R |
| Flush Fitment | 22x10.0J at ET0 offset |
| Maximum Aggressive | 24x10.0J at ET-12 offset |
Forged Wheel Designs for the Ram 1500 Rumble Bee SRT
Every design below is forged to order, so it can be machined to the Ram 1500 Rumble Bee SRT's 6x139.7 bolt pattern and 77.8 mm center bore, with the width and offset calculated for your setup.
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How to Read Wheel Offset & Measurements
Use these two references before ordering: the left diagram shows where each spec (PCD, center bore, offset, width and diameter) is measured on the wheel; the right diagram shows how positive, zero and negative offset shift the wheel face relative to the hub centerline.
ANKUSI Engineering Expert Advice
Payload and towing figures on a truck are engineered around a specific unsprung mass budget at each corner. Forging lets ANKUSI hit the factory strength rating for the Ram 1500 Rumble Bee SRT at a lower rotational weight than an equivalent cast wheel, which is the more meaningful upgrade on a work-capable platform than diameter alone.
The Ram 1500 Rumble Bee SRT runs a 6x139.7 bolt pattern, 77.8mm center bore, and a 22x9.0J, front and rear, wheel from the factory. Our Flush Fitment reference is 22x10.0J ET0, which tucks the tire under the fender lip on a stock-height Ram 1500 Rumble Bee SRT. Our Maximum Aggressive reference is 24x10.0J ET-12 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Ram 1500 Rumble Bee SRT OE Wheel Specs
The 2027 Ram 1500 Rumble Bee SRT (Sport Truck) uses a 6x139.7 bolt pattern with a 77.8mm center bore. Factory wheels are 22x9.0J F/R.
Why the factory spec works for most owners:
- Supports higher payload and towing capacity
- Preserves ground clearance for towing, hauling and light off-road use
- Matches tire sizing commonly available for this class of vehicle
- Maintains clearance for the factory suspension and brake package
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Ram 1500 Rumble Bee SRT (2027) we drill the 6x139.7 pattern and cut the centre bore to 77.8mm on our own CNC line, so the wheel hub-centres on the car with no spacer rings, in whatever diameter, width and offset you specify.
Converting these ET figures to backspacing? Use the wheel offset and backspacing calculator.
The figures on this page are part of our open wheel fitment dataset — 10,093 vehicles, free to download, CC BY 4.0.
A Note on Clearance
Final clearance depends on the exact tire model, suspension height, brake package, alignment and vehicle tolerances. A physical test fit is recommended before production.
Want to check a different width or offset before you order? Use our Offset & Backspacing Calculator to solve the numbers yourself, or looking for your exact Ram spec, or want a wheel built to a custom offset for your Ram 1500 Rumble Bee SRT? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Offset and Backspacing: Factory Wheel vs Options
Backspacing ≈ width/2 + ET/25.4 + 0.5 in. "Inward" means closer to the suspension; "outward" means closer to the fender lip.
| Setup | Size | ET | Backspacing | Inward vs OE | Outward vs OE |
|---|---|---|---|---|---|
| Factory (OE) | 22x9J | ET19 | 5.75 in (146 mm) | — | — |
| Flush | 22x10J | ET0 | 5.50 in (140 mm) | −6 mm | +32 mm |
| Maximum | 24x10J | ET-12 | 5.03 in (128 mm) | −18 mm | +44 mm |
Vehicles With the Same Hub as the Ram 1500 Rumble Bee SRT (6x139.7, 77.8 mm Bore)
In our database, 31 other vehicle entries from 5 makes use exactly the same 6x139.7 bolt pattern and 77.8 mm center bore. Factory wheels from these cars bolt on and center on the hub without rings; offset and width still have to be checked.
6x139.7 is used by 4.0% of the vehicle pages in our English fitment guide (258 of 6,503); 12.4% of those also use a 77.8 mm center bore.
Hub-Centric Rings for a 77.8 mm Center Bore
A wheel with a center bore larger than 77.8 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 78.1 mm | 78.1 → 77.8 mm |
| 84.1 mm | 84.1 → 77.8 mm |
| 93.1 mm | 93.1 → 77.8 mm |
| 100.1 mm | 100.1 → 77.8 mm |
ANKUSI forged wheels are bored to exactly 77.8 mm for this vehicle, so no ring is needed.
Frequently Asked Questions
What bolt pattern (PCD) does the Ram 1500 Rumble Bee SRT use?
The 2027 Ram 1500 Rumble Bee SRT uses a 6x139.7 bolt pattern.
How many lug bolts does the Ram 1500 Rumble Bee SRT use?
The Ram 1500 Rumble Bee SRT uses a 6-lug bolt pattern (6x139.7), so you need a 6-lug forged wheel to bolt straight on.
What is the center bore size on the Ram 1500 Rumble Bee SRT?
The Ram 1500 Rumble Bee SRT's center bore is 77.8mm. If an aftermarket wheel has a larger center bore than this, hub-centric rings are recommended so the wheel centers on the hub itself rather than relying on the lug bolts alone.
What size are the factory (stock) wheels on the Ram 1500 Rumble Bee SRT?
Factory wheels on the Ram 1500 Rumble Bee SRT are 22x9.0J F/R.
What is the biggest wheel size I can fit on my Ram 1500 Rumble Bee SRT without rubbing?
The most aggressive fitment we recommend without fender work is 24x10.0J at ET-12 offset. Going beyond this typically causes rubbing under compression unless you roll the fenders or add camber correction.
What does a flush wheel fitment look like on the Ram 1500 Rumble Bee SRT?
For a flush look with minimal to no rubbing, we recommend 22x10.0J at ET0 offset as a starting point on a stock or mildly lowered Ram 1500 Rumble Bee SRT.
Do I need wheel spacers for my Ram 1500 Rumble Bee SRT?
No. ANKUSI forges each wheel to your exact target offset, including the flush or max specs above, so you get the correct fitment without stacking spacers. Spacers are typically only used to push out an existing OE-offset wheel without replacing it, which isn't necessary when you're ordering a custom-offset forged wheel.
How do I calculate wheel backspacing for my Ram 1500 Rumble Bee SRT?
Backspacing (in inches) = wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance). For example, the flush spec above works out to roughly 5.5" of backspacing.
What's the difference between wheel offset and backspacing?
Offset is the distance in millimeters from the wheel's true centerline to its mounting face (positive offset pulls the wheel in, negative pushes it out). Backspacing is the distance in inches from the mounting face to the back edge of the wheel barrel. They describe the same fitment from two different reference points, which is why ANKUSI lists both above — some shops and tuning guides quote offset, others quote backspacing.
Can I run staggered wheels (different sizes front and rear) on my Ram 1500 Rumble Bee SRT?
The Ram 1500 Rumble Bee SRT runs the same wheel size front and rear from the factory, so staggered fitment is not required. ANKUSI can still forge a staggered set (wider rear) on request if you want a more aggressive stance.
Sources and Last Update
Data checked against: avtoreference.com.
This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).
Other cars on the same factory size: 22x9 wheels · 22 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.