6x139.7 Bolt Pattern (6x5.5)

6x139.7 means 6 lug studs on a 139.7 mm circle — the same pattern as 6x5.5 in inches. 1 model in our manufacturer-sourced data uses it.

Source: manufacturer documents (listed below) · Updated 2026-11-05 · By CarWhere Research

Vehicles with a 6x139.7 bolt pattern

Vehicles using the 6x139.7 bolt pattern
VehicleYearsVariantManufacturer states
Ford Bronco2021–2027non-RaptorBolt Pattern (PCD): 6 x 5.5[1]
Lug count
6
Circle diameter
139.7 mm
In inches
5.5 in

Other bolt patterns

Check the exact vehicle, not just the model

Trim, package and production changes all move these numbers. Decode the 17-character VIN with the free VIN decoder to confirm the engine and trim, or see the federal engine and MPG specs. Shopping? Browse live inventory and what buyers actually paid.

Frequently asked questions

Is 6x139.7 the same as 6x5.5?

Yes. 139.7 mm equals 5.5 inches, so 6x139.7 and 6x5.5 describe the same 6-lug pattern.

What vehicles use the 6x139.7 bolt pattern?

In our manufacturer-sourced data: Ford Bronco. Year ranges and variants are in the table above; other vehicles not listed here may share the pattern.

If a wheel is 6x139.7, will it fit any of these vehicles?

Matching the bolt pattern is necessary but not sufficient. Center bore, offset, lug seat type, brake clearance and the wheel load rating must also suit the vehicle.

Sources

  1. Ford Motor Company (Ford Performance Parts), M-1007-M1785MB — Bronco 17" x 8.5" Method Matte Black Single Wheel, Overview: 'Designed for 2021-2027 Bronco applications', 'Does not fit Bronco Raptor', 'Center Hub Bore' and 'Bolt Pattern (PCD)' lines (accessed 2026-11-05).