Apex SM-10RS 18x9 Forged Wheel - 5x100 BP / ET42 / 56.1mm CB - Brushed Clear (SM10RS189ET42-5100-561-BC)
The Apex SM-10RS is engineered for enthusiasts who demand the perfect balance of lightweight performance, exceptional stiffness, and race-proven durability. As part of Apex's Sprint Line of forged wheels, the SM-10RS delivers cutting-edge forged technology designed to excel on the street, at the track, and everywhere in between.
Constructed from a massive 6061-T6 aluminum forging formed under an incredible 10,000 metric tons of pressure, the SM-10RS achieves outstanding strength through enhanced grain structure and reduced porosity. Combined with Apex's proprietary motorsport-specific forging blanks, this wheel provides exceptional brake clearance, optimized weight savings, and the durability required for serious performance driving.
Quick Specs
- Part Number: SM10RS189ET42-5100-561-BC
- Wheel Diameter: 18 inch
- Wheel Width: 9 inch
- Bolt Pattern: 5x100 BP
- Offset: ET42
- Center Bore: 56.1mm
- Finish: Brushed Clear
- Construction: Fully Forged 6061-T6 Aluminum
- Wheel Series: SM-10RS Sprint Line
- Hub Centric: Yes
- TPMS Compatible: Yes
Forged Without Compromise
The SM-10RS starts life as a forging weighing up to 120 pounds before any machining takes place. The immense pressure used during the forging process improves material density, enhances grain structure, and eliminates porosity to create an exceptionally strong foundation. Unlike many wheel manufacturers that rely on generic third-party forgings, Apex developed proprietary motorsport-specific blanks to maximize brake clearance, spoke geometry, concavity, and overall wheel performance.
Using extensive Finite Element Analysis (FEA), Apex engineers optimized material placement throughout the wheel structure. Weight was removed where it provided no measurable benefit while critical load-bearing areas were reinforced, resulting in a wheel that remains exceptionally lightweight without sacrificing durability.
Advanced I-Beam Spoke Engineering
The SM-10RS features Apex's signature side-milled I-beam spoke design. Material is precision-machined from both sides of each spoke using CNC equipment, reducing unnecessary mass while maintaining exceptional rigidity. This advanced manufacturing process helps maximize responsiveness and stiffness while minimizing rotational weight.
The result is a wheel that delivers nearly identical weight to the popular VS-5RS while offering almost 10% greater stiffness and approximately 25% greater stiffness than Apex's first-generation forged wheel designs.
Built for Serious Performance Use
A reinforced Sprint Spec inner lip improves impact resistance while maintaining low overall weight. Paintless knurled bead seats help prevent tire movement during aggressive acceleration and braking, while massive brake clearance and application-specific spoke profiles accommodate a wide range of performance brake systems.
To ensure real-world durability, Apex utilizes independent testing through STL in Ohio. Sprint Line wheels undergo testing beyond traditional JWL standards using increased loads, extended testing durations, and more severe impact testing procedures.
Features
- 10K Ton Forged 6061-T6 Aluminum Construction
- Lightweight Sprint Line forged wheel design
- Proprietary motorsport-specific forging blanks
- Advanced side-milled I-beam spokes
- FEA-optimized structure for strength and weight reduction
- Stronger Sprint Spec inner lip design
- Higher load rating than traditional lightweight wheel designs
- Nearly 10% stiffer than comparable Apex forged wheel designs
- Approximately 25% stiffer than first-generation Apex forged wheels
- Independent testing beyond JWL standards
- Massive brake clearance
- Application-specific spoke profiles
- Deep concavity capability
- Paintless knurled bead seats for enhanced tire retention
- Compatible with oversized race lugs and impact sockets
- Laser-engraved wheel specifications
- Hub-centric fitment design
- Accepts OEM and aftermarket TPMS sensors
- Compatible with standard valve stems
- Brushed Clear finish
Fitment
- Applications Utilizing 5x100 Bolt Pattern and 56.1mm Center Bore
- Commonly Compatible with Select Toyota and Subaru Applications Utilizing 56.1mm Center Bore Hubs
- Verify Brake Clearance, Suspension Clearance, Fender Clearance, and Tire Fitment Prior to Installation
FAQs
What are the benefits of the SM-10RS forged construction?
The forged 6061-T6 aluminum construction delivers exceptional strength, reduced weight, improved stiffness, and greater durability compared to many conventional wheel manufacturing methods.
Can factory TPMS sensors be transferred to this wheel?
Yes. The SM-10RS is compatible with both OEM and aftermarket TPMS sensors and accepts standard valve stems for easy installation.
Why Buy From Beefcake Racing?
Beefcake Racing provides expert fitment assistance, competitive pricing, fast shipping, and knowledgeable customer support to help ensure you select the ideal wheel package for your build.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
Note: Wheels that have been mounted with tires are considered used and cannot be returned or refunded. Please verify vehicle fitment before placing your order, and always test fit wheels prior to tire mounting.
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