The COBB ST-01 is the ultimate "form meets function" upgrade, combining a legendary six-spoke aesthetic with lightweight engineering that transforms how your car drives.
Wheel Specs
- Sold individually. Center caps included
- The Perfect Spec: 18" x 9.5" size with an ET40 offset offers an aggressive, flush fitment without poking halfway out of the fender.
- Flow Formed Tech: Lighter and significantly stronger than standard cast wheels, reducing unsprung weight for sharper turn-in and braking.
- Iconic Design: A modern evolution of the legendary six-spoke tuner wheel, finished with a paint-matched center cap for a clean look.
- Massive Color Choice: Available in Blue, White, Bronze, Gunmetal, Black, Gold, and Silver to match any wrap or paint code.
Product Description
Let’s talk physics for a second: reliable power is great, but reducing rotational mass is the secret sauce to a car that feels nimble. COBB Tuning utilizes advanced Flow Forming technology to manufacture the ST-01. Unlike basic gravity casting, flow forming involves spinning the wheel barrel while applying immense pressure with hydraulic rollers. This stretches and compresses the aluminum, aligning the grain structure similarly to a fully forged wheel. The result? You get a rim that is incredibly tough but sheds serious weight compared to stock. That means faster acceleration, sharper turn-in, and better braking performance.
Aesthetically, the ST-01 is a love letter to the golden era of JDM tuners. The split six-spoke design is timeless—it looks fast standing still and clears big brake kits with ease. COBB Tuning specifically engineered the 56.1mm hub bore to be a direct, hub-centric fit for Subaru WRX and STI models, meaning no annoying plastic hub rings are required for installation. Whether you go with the classic Gold for that rally heritage look or the stealthy Gunmetal, you are investing in a wheel that can handle the abuse of the track and the potholes of the daily commute. Treat your suspension to a diet and your exterior to a facelift with the ST-01.
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