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Nankang AR-1 Semi Slick Track Competition Tyre - 305/30/20 103Y XL

Nankang AR-1 Semi Slick Track Competition Tyre - 305/30/20 103Y XL

The AR-1 is the latest high performance tyre from Nankang, developed to be a faster and more refin...

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eBayNankang AR-1 Semi-Slick Road/Track Tyre 165/60/12 71H
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Demon TweeksNankang AR-1 Tyre - 165/60/12 71H (E-marked For Pre 1990 Only)
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Tyres Pneus OnlineSportnex AR-1 XL
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eBay2 x Nankang 195/50/16 XL AR-1 Semi Slick Road Legal Track Day Tyres Used -
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Product Information

Full details

The Nankang AR-1 is a high-performance semi-slick tyre designed for track day enthusiasts and drivers seeking ultimate road performance. It offers enhanced stability and consistency, making it ideal for demanding circuits. While it excels in dry conditions, its primary caveat is reduced performance in wet weather. Key features include Kevlar lining for improved stability in larger sizes, E-Mark certification for road legality (where applicable), and a proven track record in various racing series.

All features

Model Part NumberJD453
BrandNankang

Extended Product Information

FAQs

What is the main advantage of the AR-1 tyre?

The main advantage of the AR-1 is its high performance and grip in dry conditions, making it ideal for track days and spirited driving.

Is the Nankang AR-1 road legal?

Many variants of the AR-1 are E-Marked and therefore road legal. However, some versions are designated 'Motorsport Use Only' and are not road legal.

How does the Kevlar lining improve performance?

The Kevlar lining, present in sizes 17" and larger, improves tyre stability at high speeds and enhances consistency during demanding track sessions.

What is the recommended operating temperature for the AR-1?

The optimum operating temperature for the Nankang AR-1 is between 71°C and 104°C.

How do I adjust tyre pressures to counteract handling issues?

To reduce oversteer, lower rear pressures or raise front pressures. To increase oversteer, raise rear pressures or lower front pressures. To reduce understeer, lower front pressures or raise rear pressures. To increase understeer, raise front pressures or lower rear pressures. Always adjust in small increments.

What is the treadwear rating of the AR-1?

The treadwear rating for the Nankang AR-1 is 100.

What is the tread depth of the AR-1?

The tread depth of the Nankang AR-1 is 5.5mm.

Troubleshooting

Tyre appears unbalanced during high-speed driving.

Ensure the yellow dot on the tyre was aligned with the valve stem during fitting. Re-balancing may be necessary.

Vehicle exhibiting excessive oversteer on track.

Slightly reduce rear tyre pressures or slightly increase front tyre pressures. Make adjustments in small increments.

Vehicle exhibiting excessive understeer on track.

Slightly reduce front tyre pressures or slightly increase rear tyre pressures. Make adjustments in small increments.

Reduced grip in damp or wet conditions.

The AR-1 is optimized for dry conditions. Reduce speed and drive with extreme caution in wet or damp conditions. Consider alternative tyres for mixed weather use.

Pros and Cons

Pros

  • Exceptional dry grip for track performance.
  • Improved stability and consistency due to Kevlar lining (larger sizes).
  • Proven performance in competitive motorsport events.
  • Road legal in many configurations (E-Marked).
  • MSA List 1B approved for competition use.

Cons

  • Performance significantly reduced in wet conditions.
  • Shorter lifespan compared to standard road tyres due to softer compound.
  • May require specific suspension setup (camber) for optimal use.
  • Can be noisy on road surfaces compared to regular tyres.
  • Kevlar lining is only present in 17" and larger sizes.

Setup, Compatibility & Care

Fitting: When fitting the AR-1, locate the yellow dot, which indicates the lightest part of the tyre. Align this dot with the valve stem on the wheel (both aluminium and steel) to ensure optimal balancing during the mounting process.

Pressure Settings: Nankang recommends specific HOT pressure settings based on vehicle weight:

  • Up to 800kg: 23-27.5 psi
  • 800-1000kg: 24-32 psi
  • 1000-1400kg: 27.5-37 psi
  • Over 1400kg: 34-42 psi

Alignment: For optimal performance, Nankang suggests an optimum camber setting of -1° to -3°.

Road Legality: Variants marked 'E-Marked' are suitable for road use. Tyres marked 'Motorsport Use Only' are not E-Marked and should not be used on public roads. Tyres marked 'E-Marked For Pre 1990 Only' have specific restrictions.

Care: As a high-performance tyre, the AR-1 requires regular inspection for wear and damage. Clean the tyres with a damp cloth if necessary, avoiding harsh chemicals. Store tyres in a cool, dry place away from direct sunlight when not in use.

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