245/40/18 TYRE Nankang AR1

1. Product introduction

The Nankang AR1 Road Approved 245/40 R18 97Y XL tyre is a high-performance semi-slick designed for sports vehicles, circuit outings and trackday use while retaining road approval. Its design prioritises grip, driving precision and high-speed stability.

2. Part function

The tyre provides contact between the vehicle and the road. On a sports or prepared car, it plays an essential role in traction, braking, road holding and steering precision. The Nankang AR1 is particularly suited to drivers seeking high grip on dry surfaces and a direct response under heavy demands.

3. Symptoms or consequences of a worn or unsuitable tyre

• Loss of grip under acceleration, braking or cornering loads.
• Increased braking distances.
• Less precise handling on corner entry and exit.
• Irregular wear that may reduce vehicle stability.
• Reduced performance on circuit or during sporting driving.

4. Benefits of replacement

• Improved grip on dry roads and on track.
• Better driving precision in sporting use.
• Increased stability thanks to the load index 97 XL.
• Road approval allowing versatile use.
• Excellent choice for Renault Sport, Alpine and prepared sports vehicles when the size is compatible.

5. Specifications

• Brand: Nankang
• Model: AR1 Road Approved
• Type: Semi-slick
• Size: 245/40 R18
• Load index: 97 XL
• Speed rating: Y
• Use: Sporting road driving, trackdays, recreational circuit use
• Delivery: Free

6. Vehicle compatibility

This tyre is compatible with vehicles fitted with 18-inch wheels accepting the size 245/40 R18, with load and speed ratings suited to the manufacturer’s recommendations. It may suit certain Renault Sport, Alpine or prepared sporting vehicle configurations, subject to validation of the tyre fitment, wheel width, wheel arch clearance and vehicle approval.

7. Conclusion

The Nankang AR1 245/40 R18 97Y XL is a high-performance semi-slick tyre intended for enthusiasts seeking high grip, precise steering and effective sporting handling while benefiting from road approval.