Sumitomo 5531287 ST908 255/70R22.5 Commercial Drive Tire 140/137M

The Sumitomo ST908 is a premium open-shoulder radial drive tire engineered specifically for medium-duty commercial trucks and buses. Designed for installation on drive axles, this tire delivers exceptional performance for long-haul and mixed-service applications.

Advanced Design Features:

• Open Shoulder Design: Provides superior traction on soft surfaces and enhanced grip in challenging conditions
• Continuous Center Rib: Ensures long tread life, excellent highway stability, and consistent braking performance
• 26/32" Deep Tread: Maximizes tire longevity and provides year-round service capability
• Four Steel Belt Package: Resists punctures, increases vehicle stability, and contributes to multiple retread cycles
• C.V.S.T. Casing Technology: Exclusive internal component design optimizes resistance to stress and flexing during long-term use
• Block Siping: Minimizes irregular wear while boosting wet traction and overall grip
• Computer-Optimized Tread Pattern: Delivers uniform surface contact for superior handling and ride stability

The ST908 has earned an excellent reputation among commercial fleets for its combination of durability, long mileage, and dependable all-season performance. Wide circumferential grooves effectively evacuate water from the contact patch to maintain safety in wet conditions. Load Range H construction with 16-ply rating provides the strength and durability required for demanding commercial applications.