Apex SM-8RS 17x9 Forged Wheel - 4x100 BP / ET45 / 54.1mm CB - Brushed Clear (SM8RS179ET45-4100-541-BC)
The Apex SM-8RS delivers true motorsport performance for the Mazda ND MX-5 Miata in a lightweight forged package engineered specifically for the platform. Inspired by the popular SM-10RS design, this eight-spoke Sprint Line wheel combines exceptional stiffness, strength, and weight optimization to provide serious enthusiasts with a wheel capable of handling everything from spirited canyon drives to demanding track days. The premium Brushed Clear finish gives the SM-8RS an unmistakable appearance that complements its race-proven engineering.
Constructed from forged 6061-T6 aluminum using an immense 10,000-ton forging process, the SM-8RS boasts an incredible 1,400-pound load rating. That's more than 230 pounds above JWL requirements and approximately 185 pounds stronger than many aftermarket ND Miata wheel options. Proprietary motorsport blanks, advanced Finite Element Analysis, and the reinforced Sprint spec inner lip combine to create a wheel that delivers exceptional durability without sacrificing responsiveness.
Features
- Forged 6061-T6 aluminum construction
- Produced using a 10,000-ton forging process
- Designed specifically for the Mazda ND MX-5 Miata platform
- Outstanding 1,400-pound load rating
- Exceeds JWL standards by over 230 pounds
- Approximately 185 pounds stronger than many aftermarket ND Miata wheels
- I-beam side-milled spokes reduce weight while maintaining rigidity
- Purpose-built motorsport blank design
- Sprint spec inner lip is 32% stronger than previous designs
- FEA-optimized spoke geometry for increased stiffness
- Independently tested beyond JWL requirements
- Designed to clear factory Brembo brakes and many aftermarket BBKs
- Paintless knurled bead seats help reduce tire slippage
- Compatible with oversized race lugs and impact sockets
- Laser-engraved wheel specifications
- Hub-centric design minimizes the need for centering rings
- Gloss black Apex center cap included
- Compatible with OEM and aftermarket TPMS sensors
- Accepts standard valve stems
- Premium Brushed Clear finish
Specifications
- Part Number: SM8RS179ET45-4100-541-BC
- Series: SM-8RS Sprint Line
- Wheel Size: 17x9
- Bolt Pattern: 4x100 BP
- Offset: ET45
- Center Bore: 54.1mm
- Finish: Brushed Clear
- Material: Forged 6061-T6 Aluminum
- Load Rating: 1,400 lbs
Engineered for Serious Drivers
The SM-8RS was developed to deliver maximum performance without compromise. Extensive computer analysis and independent laboratory testing allowed Apex engineers to optimize every area of the wheel, resulting in exceptional stiffness, reduced weight, and outstanding durability for track enthusiasts and aggressive street drivers alike.
Fitment
- Applications utilizing a 4x100 bolt pattern and 54.1mm center bore
- ET45 offset specification
- Verify brake, tire, suspension, and fender clearance before installation
FAQs
Will these wheels clear factory Brembo brakes?
Yes. The SM-8RS 17x9 and 17x10 fitments were engineered specifically to clear the ND Miata's factory Brembo package and many aftermarket big brake kits.
Can factory TPMS sensors be reused?
Yes. All SM-8RS wheels are compatible with OEM and aftermarket TPMS sensors and accept standard valve stems.
Why Buy From Beefcake Racing?
At Beefcake Racing, we're enthusiasts who understand what goes into building a great-performing car. Whether you're upgrading your street-driven Miata or putting together a dedicated track machine, our team is ready to help with expert advice and outstanding customer support.
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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