WELD Racing RT-S S81 Series 18x5 Front Runner — 5x112mm Bolt Pattern 2.1 BS

SKU: HVGL_81HB8050J21A
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About WELD Racing

WELD Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full WELD Racing lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

WELD Racing RT-S S81 18x5 Front Runner (5x112mm)

The WELD Racing RT-S S81 18x5 front runner is now available for vehicles with a 5x112mm bolt pattern. This wheel is designed for drivers who want to combine race-inspired performance with a sleek, modern aesthetic. It is the perfect upgrade for those looking to optimize their vehicle's front-end handling and acceleration.

Specifications

  • Size: 18 x 5 inches
  • Bolt Pattern: 5x112 mm
  • Backspace: 2.100 inches
  • Material: High-Strength Aluminum
  • Finish: Black Anodized with Polished Lip
  • Pad Clearance: High Pad

Engineered for strength and weight efficiency, this aluminum wheel helps reduce unsprung mass, leading to a more agile driving experience. The high-pad design is specifically tailored to clear larger brake calipers, making it a great match for vehicles with performance brake upgrades. The black anodized finish, accented by a polished lip, provides a premium look that is as durable as it is stylish. Whether you are hitting the track or just want to improve the performance of your daily driver, the S81 series offers the reliability and precision you expect from WELD Racing. Experience superior engineering and find the right fitment for your 5x112mm hub at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About WELD Racing

WELD Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full WELD Racing lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

WELD Racing RT-S S81 18x5 Front Runner (5x112mm)

The WELD Racing RT-S S81 18x5 front runner is now available for vehicles with a 5x112mm bolt pattern. This wheel is designed for drivers who want to combine race-inspired performance with a sleek, modern aesthetic. It is the perfect upgrade for those looking to optimize their vehicle's front-end handling and acceleration.

Specifications

  • Size: 18 x 5 inches
  • Bolt Pattern: 5x112 mm
  • Backspace: 2.100 inches
  • Material: High-Strength Aluminum
  • Finish: Black Anodized with Polished Lip
  • Pad Clearance: High Pad

Engineered for strength and weight efficiency, this aluminum wheel helps reduce unsprung mass, leading to a more agile driving experience. The high-pad design is specifically tailored to clear larger brake calipers, making it a great match for vehicles with performance brake upgrades. The black anodized finish, accented by a polished lip, provides a premium look that is as durable as it is stylish. Whether you are hitting the track or just want to improve the performance of your daily driver, the S81 series offers the reliability and precision you expect from WELD Racing. Experience superior engineering and find the right fitment for your 5x112mm hub at GGCRACING.

Product Details

Product Description

About WELD Racing

WELD Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full WELD Racing lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

WELD Racing RT-S S81 18x5 Front Runner (5x112mm)

The WELD Racing RT-S S81 18x5 front runner is now available for vehicles with a 5x112mm bolt pattern. This wheel is designed for drivers who want to combine race-inspired performance with a sleek, modern aesthetic. It is the perfect upgrade for those looking to optimize their vehicle's front-end handling and acceleration.

Specifications

  • Size: 18 x 5 inches
  • Bolt Pattern: 5x112 mm
  • Backspace: 2.100 inches
  • Material: High-Strength Aluminum
  • Finish: Black Anodized with Polished Lip
  • Pad Clearance: High Pad

Engineered for strength and weight efficiency, this aluminum wheel helps reduce unsprung mass, leading to a more agile driving experience. The high-pad design is specifically tailored to clear larger brake calipers, making it a great match for vehicles with performance brake upgrades. The black anodized finish, accented by a polished lip, provides a premium look that is as durable as it is stylish. Whether you are hitting the track or just want to improve the performance of your daily driver, the S81 series offers the reliability and precision you expect from WELD Racing. Experience superior engineering and find the right fitment for your 5x112mm hub at GGCRACING.

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