Apex SM-10 18x8.5 Flow-Formed Wheel - 5x130 BP / ET42 / 71.6mm CB - Satin Black (Porsche) (SM101885ET42-5130-716-SMBK)
The Apex SM-10 is purpose-built for Porsche enthusiasts who demand lightweight performance, motorsport durability, and aggressive styling without compromise. Designed as part of Apexs advanced Flow Formed Evolution Line, this 18x8.5 wheel combines optimized strength, reduced rotational mass, and exceptional brake clearance to create a wheel equally at home on the street, autocross course, or road circuit. Finished in a sleek Satin Black coating, the SM-10 gives your Porsche a clean motorsport-inspired appearance while enhancing handling precision and driver confidence.
Manufactured using advanced flow forming technology, the SM-10 improves barrel strength and rigidity by refining the aluminum grain structure during production. Apex further enhances performance with CNC-machined I-beam spokes, reinforced inner lip construction, and extensive Finite Element Analysis optimization to eliminate unnecessary weight while maintaining exceptional structural integrity. The result is a wheel engineered to withstand aggressive driving conditions while delivering the responsive feel Porsche drivers expect.
Quick Specs
- Part Number: SM101885ET42-5130-716-SMBK
- Wheel Size: 18x8.5
- Bolt Pattern: 5x130 BP
- Offset: ET42
- Center Bore: 71.6mm
- Finish: Satin Black
- Construction: Flow-Formed Aluminum
- Vehicle Application: Porsche
- Hub Centric Design
- TPMS Compatible
- OEM Center Cap Compatible
- Compatible with OEM and Aftermarket Wheel Hardware
Flow Formed Evolution Technology
The SM-10 utilizes Apexs advanced flow forming process to strengthen the barrel while minimizing unnecessary weight. This manufacturing technique improves aluminum grain structure and rigidity, delivering performance benefits that bridge the gap between traditional cast wheels and full forged designs.
CNC-Machined I-Beam Spokes
A defining feature of the SM-10 is its precision-machined I-beam spoke design. Apex removes excess material from low-stress areas using CNC machining while retaining strength where it matters most, resulting in a lightweight yet highly durable wheel.
Reinforced Inner Lip Design
The inner lip is one of the most vulnerable sections of any wheel during aggressive driving. Apex reinforces this high-impact area with additional material to improve resistance against potholes, curbing, berm strikes, and harsh road conditions.
Exceptional Brake Clearance
Using extensive laser scanning and repeated physical test fitting, Apex engineered the SM-10 to clear many large factory and aftermarket brake systems while maintaining lightweight 18 inch wheel sizing. This allows Porsche enthusiasts to maximize performance without stepping up to heavier wheel packages.
Weight Optimized Engineering
Finite Element Analysis was heavily utilized throughout the SM-10 development process to reinforce high-load areas while eliminating unnecessary material in low-stress zones. The result is sharper steering response, improved acceleration feel, and enhanced chassis dynamics.
Features
- 18x8.5 flow-formed wheel engineered for Porsche applications
- 5x130 bolt pattern with ET42 offset
- 71.6mm center bore hub-centric fitment
- Premium Satin Black finish
- Flow Formed Evolution Line construction
- CNC-machined I-beam spokes for reduced rotational mass
- Reinforced inner lip for improved impact resistance
- Aggressive motorsport-inspired spoke profile
- Excellent brake clearance for large brake systems
- FEA-optimized lightweight construction
- Impact socket friendly lug access
- JWL compliant and VIA certified
- Compatible with OEM TPMS sensors
- Accepts OEM center caps
- Compatible with factory and aftermarket wheel hardware
Premium Finish Quality
The Satin Black finish is applied using a multi-stage liquid paint process over a durable powder coated base layer for excellent corrosion resistance and long-term appearance retention. Critical mounting surfaces and lug seats remain untouched during finishing to maintain proper fitment and torque accuracy.
Fitment
- Porsche applications utilizing 5x130 bolt pattern and 71.6mm center bore
- Verify brake clearance, suspension clearance, and tire sizing before installation
- Ideal for street performance, canyon driving, autocross, and track-focused Porsche builds
FAQs
Will this wheel work with factory Porsche TPMS sensors?
Yes. Apex SM-10 wheels are compatible with OEM and most aftermarket TPMS sensors along with standard valve stems.
Can the SM-10 clear upgraded Porsche brake systems?
Yes. Apex engineered the SM-10 with exceptional brake clearance using laser scanning and extensive test fitting. Brake clearance should still be verified for your exact brake setup.
Why Buy From Beefcake Racing?
Beefcake Racing is trusted by enthusiasts nationwide for premium performance products, fast shipping, and knowledgeable customer support. Whether you are upgrading your street-driven Porsche or building a dedicated track machine, our team understands performance because we live it ourselves.
Contact Beefcake Racing today:
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.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
