Description
The APEX Wheels SM-10 from the Evolution Line represents a precision-engineered flow formed wheel designed for Chevrolet applications requiring 5×120.65 bolt pattern compatibility. This 18×11 ET57 wheel addresses the demands of wide performance applications through APEX’s flow formed construction process, which combines casting efficiency with enhanced strength characteristics to deliver optimal performance for track and street use.
The SM-10 achieves a weight of 23.1 lbs in the 18×11 configuration, providing unsprung weight reduction compared to factory Chevrolet wheels despite the aggressive 11-inch width. This weight control becomes critical at larger widths, where traditional cast construction would result in significantly heavier wheels that compromise handling dynamics and acceleration response.
The wheel utilizes flow formed construction, a manufacturing process that begins with a cast wheel blank before applying specialized forming techniques. During flow forming, the wheel barrel is spun at high speed while rollers apply controlled pressure, stretching and compressing the aluminum to create a denser grain structure. This process increases the material strength while reducing weight compared to traditional cast wheels, positioning flow formed construction between cast and forged methods in terms of both performance and cost.
The SM-10 features Profile 1 face design, providing the geometry optimized for the 11-inch width configuration. The ET57 offset positions the wheel mounting surface to optimize suspension geometry and maintain proper brake clearance for Chevrolet applications. The 70.3mm center bore specification provides precise hub-centric mounting, while the 60-degree conical hardware seat ensures proper lug nut engagement and secure mounting. APEX offers the SM-10 in multiple finish options including Anthracite, Satin Bronze, and Satin Black to complement different build aesthetics.
- Compatibility: Chevrolet (5×120.65 bolt pattern)
- Weight: 23.1 lbs
- Face Profile: Profile 1
- Center Bore: 70.3mm
- Hardware Seat: 60 Degree Conical
- Available Finishes: Anthracite, Satin Bronze, Satin Black
- SKU: SM101811ET57-512065-703-AN
Wheel Specifications:
| DIAMETER | WIDTH | OFFSET | BOLT PATTERN | CENTER BORE | CONSTRUCTION | FACE PROFILE | HARDWARE SEAT | WEIGHT |
| 18″ | 11.0″ | ET57 | 5×120.65mm | 70.3mm | Flow Formed | Profile 1 | 60 Degree Conical | 23.1 lbs |
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