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Toyo Proxes ST III - 275/50R21 113V XL

The Proxes ST III is the perfect balance of dynamic looks and sport-oriented performance for trucks and SUVs. With a wider tread and a silica-based tread compound, the Proxes ST III stops up to 6 feet shorter in wet conditions while delivering superb handling, excellent all-season performance, consistent wear and a smooth, quiet ride, now backed by a 40,000-mile warranty.
  • DYNAMIC DIRECTIONAL, ALL-SEASON TREAD DESIGN provides a good balance between wet traction, dry handling and performance-based looks
  • ARROWHEAD TAPERS deliver increased tread block stiffness resulting in better straight-line driving stability
  • DIRECTIONAL SHOULDER BLOCKS stabilize the tread blocks for better braking performance and a quieter ride
  • MULTI-WAVE SIPES minimize irregular wear for a smooth, quiet ride, and improve light snow traction
  • LIGHTNING GROOVES enable better water evacuation resulting in better wet performance

The Toyo Proxes ST III is a touring tire designed for trucks and SUVs that need confident handling, dependable all-season performance, and a refined driving experience. Part number toy247640 features a dynamic directional tread pattern that balances wet traction, dry-road control, and sport-oriented styling. Its silica-based tread compound helps deliver strong grip in changing conditions and may provide shorter wet braking distances compared with the previous model.
The Proxes ST III uses arrowhead tapers to increase tread block stiffness for improved straight-line stability and responsive steering. Directional shoulder blocks help stabilize the tread during braking while supporting a quieter ride. Lightning grooves move water efficiently away from the contact patch to enhance wet-weather performance, and multi-wave sipes help reduce irregular wear while improving traction in light snow.
This Toyo Proxes ST III is built with radial construction, a tubeless design, and a black sidewall. The 113 load index and V speed rating make it well suited for drivers seeking a capable replacement tire for compatible trucks and SUVs. As an XL-rated tire, it is engineered for increased load-carrying capability when properly installed and inflated according to the vehicle manufacturer’s specifications. The tire is also backed by a 40,000-mile warranty for added ownership confidence.

Features:

  • Dynamic directional all-season tread design balances wet traction, dry handling, and performance-focused styling
  • Arrowhead tapers increase tread block stiffness for improved straight-line stability
  • Directional shoulder blocks support braking performance and help reduce road noise
  • Multi-wave sipes minimize irregular wear and improve light snow traction
  • Lightning grooves promote efficient water evacuation for enhanced wet-weather performance
  • Radial, tubeless construction with black sidewall
  • 113 load index and V speed rating
  • XL-rated design for increased load-carrying capability
  • Backed by a 40,000-mile warranty