Do is for Desert & DOT & Dominance

STI announces the all-new Tech 2 PRO D tires. These DOT-marked tires are designed with the same high-performance standards that off-road racers admire in the STI Tech 2 PRO, and with increased durability. The tire size offerings fit the needs of today's performance-minded off-road, desert racing, and dual-sport enthusiasts.

With a reinforced carcass and strong shoulder knobs, the Tech 2 PRO D delivers superior traction and stands up the the rigors or the road.

Like the original Tech 2 PRO, the new D sizes use a varied-pitch tread in a pattern with fewer center knobs and a concentrated shoulder formation to maximize performance in both loose and packed-terrain conditions. Engineers strategically tuned the PRO's lightweight carcass for the optimum balance of stiffness and flex. This maximizes the contact patch for best traction, and preserves bump-absorption characteristics, keeping the tires planted for performance.


  1. 4-ply carcass tuned for best balance of stiffness (traction) and flex (bump absorption).
  2. Intermediate compound excels in hard-pack and harsh off-road conditions.
  3. Varied pitch tread pattern.
  4. DOT marked with long-lasting rubber and tread.


Sizes & Specs

TECH 2 PRO D
SIZEPLY RATINGTREAD DEPTHPSI RANGELOAD / SPEEDTIRE WEIGHT (Pounds)PART #
Front
90/90-21416/3210 - 1554M10.0STP22122D
90/100-21416/3210 - 1557M11.2STP22123D
Rear
110/100-184COMING SOON
120/100-184COMING SOON

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