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R178 ZMO — Gray

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Installed by Road Runner Wheels & Tires — family-owned in Marietta since 2010. Questions? Call (678) 400-6467.

About This Wheel

Picking up the R178 ZMO, the first thing you notice is how deliberate the spoke layout is — a multi-spoke arrangement that stays organized without looking busy. The face sits relatively flat, which keeps the design readable even when the wheel is tucked behind a factory-style lip. In Gray, the finish reads differently depending on the light; under overcast skies it pulls almost charcoal, and in direct sun it brightens to a true mid-tone gray with visible texture. That subtlety pairs well with darker body colors — Jet Black, Deep Sea Blue, or Mineral Gray all complement it without competing. White and silver cars work too, though the contrast is softer. This is a wheel that suits sedans, sport hatches, and light SUVs running stock or mild suspension setups.

Specifications

Diameter x Width	19" x 8.5"
Bolt Pattern	5x120
Offset	ET+35mm
Backspacing	6.13"
Hub Bore	72.56mm
Load Rating	1600 lbs
Construction	Cast
Material	Aluminum alloy
Finish	GRAY
Manufacturer Part Number	R178198521+35

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678-400-6467 · Marietta, GA · Hablamos Español

Fitment

This wheel runs the 5x120 bolt pattern, which covers a range of half-ton trucks and SUVs depending on hub bore and offset. ET+35mm offset is typical for stock-height fitments; leveled and lifted trucks may want different offset/backspacing combinations to clear larger tires. A hub-centric ring is recommended when the wheel hub bore is larger than the vehicle hub.

About the GRAY Finish

Rotiform started in Southern California and built its reputation on European fitment before expanding into broader bolt patterns. Their designs consistently reference motorsport and custom culture without copying either directly. The R178 ZMO is cast construction, which keeps the cost accessible while still delivering the design language the brand is known for. A solid choice for a daily driver or a weekend show car that actually gets driven.

About Rotiform

Rotiform produces wheels distributed nationally through trusted vendor channels. Catalogs are stocked, MAP-pricing is enforced, and warranty coverage is honored at the manufacturer level.

Installing at Road Runner Wheels & Tires

Mount and balance is same-day in most cases in our shop. We program TPMS sensors on-site and pair wheels with matching tires when needed. Same shop handles lift kits, suspension work, and full builds.

Questions We Get

Do lug nuts come included?

Lug nuts are not included with the wheel. Rotiform wheels use a standard seat type, but you'll want to confirm the correct seat angle and thread pitch for your vehicle before ordering hardware. We carry a range of compatible lug nuts and can spec the right set when you purchase.

Fitment specs: the Rotiform R178 ZMO 19x8.5 GRAY 5x120 +35mm comes in 5x120 bolt pattern, ET+35 offset, 6.13" backspacing, 72.56mm hub bore, a 1600 lbs load rating.

Looking for wheels, rims & tires near you in the Atlanta metro? We mount + balance same day at our Marietta tire shop — 1585 Roswell Rd. Serving Marietta, Atlanta, Cobb County, Kennesaw, Smyrna, Sandy Springs, Roswell, Alpharetta, Buckhead + Vinings.

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