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The Direzza Sport Z1 Star Spec is Dunlop's Extreme Performance Summer tire developed for serious sports car, sports coupe and performance sedan enthusiasts looking for race tire-like traction on the street or for use in autocross, drifting and track events. The Direzza Sport Z1 Star Spec is for drivers who don’t want to wait as long for their tires to come in during initial runs, as well as drivers of lighter weight vehicles who are often confronted with the task of working tire temperatures up to the point of generating peak grip.
As an evolution of the Direzza Sport Z1 and continuing to use the same tread design, the Direzza Sport Z1 Star Spec tread compound helps provide faster lap times from the start by developing more traction in temperate temperatures along with consistent grip on subsequent laps when the tires are fully warmed up. While this means the Direzza Sport Z1 Star Spec tread compound accommodates a wider operating temperature range than the original Direzza Sport Z1 and reaches its maximum grip level faster, Direzza Sport Z1 Star Spec summer tires are not intended to be driven through snow, on ice or in near-freezing temperatures.
Direzza Sport Z1 Star Spec tires confirm their “Star Spec” identity in the form of a 5-pointed star symbol branded adjacent to the Direzza Sport Z1 name on the sidewall. However, this 5-pointed star should not be confused with the same symbol often branded by tire manufacturers on the sidewalls of Original Equipment tires for BMW vehicles.
The Direzza Sport Z1 Star Spec tread compound is molded into a directional design featuring notched, continuous shoulder ribs, large intermediate shoulder blocks and a wide center rib to deliver consistent contact with the road and enhance grip during cornering. Two wide, circumferential center grooves, wavy shoulder grooves and multiple lateral grooves provide water evacuation to enhance wet traction. The tire's internal structure includes two wide steel belts reinforced by JointLess Band (JLB) Technology spirally wound polyamide to provide strength, uniform ride quality and high-speed capability while steel cord reinforced, 2-ply polyester sidewalls help resist lateral deflection to provide responsive handling and cornering stability.
NOTE: We recommend installing Direzza Sport Z1 Star Spec tires in sets of four to fully realize the benefits of the Star Spec tread compound. While the Direzza Sport Z1 Star Spec can be mixed with its predecessor in axle pairs if necessary, it is recommended that the treads be shaved to the equivalent tread depth of the existing tires.
El neumático Direzza Sport Z1 Star Spec, fabricado por Dunlop, pertenece a la categoría: Rendimiento Extremo Para Verano. Fue desarrollado para entusiastas de autos deportivos, deportivos cupé y sedanes de rendimiento, que buscan tracción similar a la obtenida en carreras y utilizarla en carreteras, competencias de autocross, derrapar (drifting) y diferentes eventos de pista. El Direzza Sport Z1 Star Spec, es para conductores que no desean esperar mucho para obtener el rendimiento completo del neumático, también para conductores de vehículos livianos que necesitan que la temperatura del neumático suba para alcanzar su punto máximo de agarre, el Direzza Sport Z1 Star Spec esta listo para competir.
El Direzza Sport Z1 Star Spec es una evolución del Direzza Sport Z1 y utiliza el mismo diseño de la banda de rodamiento, sin embargo, el compuesto de caucho utilizado ayuda a proporcionar tiempos más cortos en cada vuelta completa sobre la pista, desde el principio. Esto se debe a que el neumático, empieza a obtener mayor tracción a temperaturas moderadas y su agarre se hace más consistente en cada vuelta. Como todo neumático de verano no fue diseñado para ser utilizado en temperaturas cercanas al nivel de congelación o superficies con hielo o nieve.
El Direzza Sport Z1 Star Spec identifica su entidad de, especificación estrella, “Star Spec” con una estrella de cinco rayos al lado de su nombre sobre el flanco. Sin embargo, esta estrella no debe ser confuncidad con el mismo símbolo utilizado por fabricantes de neumáticos originales para vehículos BMW.
El compuesto de caucho del Direzza Sport Z1 Star Spec es moldeado en una banda de rodamiento con un diseño direccional, que cuenta con hombros continuos, bloques largos en la sección intermedia y un segmento central que proporciona contacto constante con la carretera y aumenta el agarre al tomar curvas. La tracción sobre mojado es aumentada gracias a dos canales centrales circunferenciales, dos canales ondulados y múltiples ranuras laterales en la sección de los hombros.
La estructura interna del neumático incluye dos correas anchas de acero reforzadas con la tecnología JointLess Band (JLB, por sus siglas en inglés) envueltas en espiral con poliamida para aún más fortaleza, una andar uniforme y capacidad para andar a velocidades elevadas. Un cordón de refuerzo de acero y dos capas de poliéster en el flanco ayudan a resistir la torsión lateral y proporcionan estabilidad al tomar curvas y una maniobrabilidad responsiva.
NOTA: Nosotros recomendamos instalar el Direzza Sport Z1 Spec en juegos de cuatro, para obtener los beneficios completos de la mezcla de caucho. Este neumático puede ser combinado con su predecesor Direzza Sport Z1 (el mismo modelo en el mismo eje) si es necesario, además se recomienda afeitarlos a la profundidad de los neumáticos en el auto.
NOTES:
Specifications shown are as accurate as possible based on the information provided to us by the tire manufacturers. The dimensions reflect average values for tires measured on the specified measuring rim width. Individual tires may vary from data shown.
All tires are subject to continuous development. The tire manufacturers and Tire Rack reserve the right to change product specifications at any time without notice or obligation.
*Although regularly updated, the country of origin for any tire may vary from the country shown here. Unfortunately, we cannot accommodate requests for tires with a specific country of origin.
If you have a specific concern please email sales@tirerack.com.
Results based on 733 submissions of our online tire survey. |
 |
| Surveyed Averages |
2 |
96% |
8.5 |
8.0 |
8.4 |
9.3 |
9.4 |
9.2 |
N/A |
N/A |
N/A |
7.7 |
7.1 |
7.4 |
4,491,320 |
| Color Key |
Superior (8.6-10) |
Fair (2.6-4.5) |
Excellent (6.6-8.5) |
Unacceptable (0-2.5) |
Good (4.6-6.5) |
Would You Buy This Tire Again?
Most said: "Probably" (Average of 8.5 out of 10)
How Did This Tire Rank In Its Category?
2 out of 7 tires (Score of 8.3 vs best tire in category score of 8.6)
See a Full List of Survey Results for Extreme Performance Summer Tires
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Numerical Average : 8.3 / 10
(out of 733 customer reviews)
Stars : 4 / 5
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Warranty for replacement tires purchased on or after 11/01/12
Warranty for replacement tires purchased between 04/01/11 and 10/31/12
Warranty for replacement tires purchased between 03/01/06 and 03/31/11
*Tire Rack's Tire Warranty Rating is an overall rating given to tire warranties after subjectively evaluating their value for the consumer. Warranties are rated on a scale of 0-5 with 5 being the highest. This rating combines all of the aspects of each tire's warranty where applicable, including: mileage/treadlife, materials and workmanship, balance and uniformity, replacement tire cost, warranty duration and any special manufacturer's warranties that apply. See official manufacturer's warranty brochure for specific details.
NOTE: New vehicle Original Equipment tire warranties often differ from those covering replacement tires. Consult your vehicle documents to confirm Original Equipment tire warranty coverage.
The Original Equipment applications for this tire are not available online at this time. Please call 888-541-1777 to speak with one of our sales specialists. We apologize for any inconvenience this may cause.
