Apex SM-8RS 17x9 Forged Wheel - 4x100 BP / ET45 / 54.1mm CB - Motorsport Gold (SM8RS179ET45-4100-541-MGD)
The Apex SM-8RS delivers true motorsport capability in a lightweight forged package developed specifically for the Mazda ND MX-5 Miata platform. Featuring an aggressive eight-spoke design inspired by the popular SM-10RS, this Sprint Line wheel combines exceptional stiffness, impressive strength, and low weight to give enthusiasts the confidence needed for track days and spirited street driving. Finished in eye-catching Motorsport Gold, the SM-8RS brings race-inspired style to match its uncompromising performance.
Manufactured from forged 6061-T6 aluminum using a massive 10,000-ton press, the SM-8RS boasts an incredible 1,400-pound load rating. That rating exceeds JWL requirements by more than 230 pounds and surpasses many aftermarket ND Miata wheel options by approximately 185 pounds. Extensive Finite Element Analysis, purpose-built motorsport blanks, and a reinforced Sprint spec inner lip create a wheel that delivers exceptional durability without sacrificing responsiveness or weight savings.
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 provides 32% greater strength than previous designs
- FEA-optimized spoke geometry for increased stiffness
- Independently tested beyond JWL standards
- Designed to clear OEM Brembo brakes and many aftermarket BBKs
- Paintless knurled bead seats 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 Motorsport Gold finish
Specifications
- Part Number: SM8RS179ET45-4100-541-MGD
- Series: SM-8RS Sprint Line
- Wheel Size: 17x9
- Bolt Pattern: 4x100 BP
- Offset: ET45
- Center Bore: 54.1mm
- Finish: Motorsport Gold
- Material: Forged 6061-T6 Aluminum
- Load Rating: 1,400 lbs
Built for Real Performance
The SM-8RS was engineered to provide maximum performance without compromise. Extensive computer modeling and independent testing allowed Apex engineers to optimize every aspect of the wheel for exceptional stiffness, reduced weight, and outstanding durability. The result is a wheel equally at home on the street or attacking apexes at the track.
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 specifically engineered to clear the factory ND Miata Brembo brake package as well as many aftermarket big brake kits.
Can factory TPMS sensors be reused?
Yes. All SM-8RS wheels accept OEM and aftermarket TPMS sensors and utilize standard valve stems.
Why Buy From Beefcake Racing?
At Beefcake Racing, we're enthusiasts who understand what goes into building a properly sorted performance car. Whether you're upgrading your weekend warrior or building a dedicated track machine, our team is here to provide expert guidance and unmatched customer service.
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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