Pro Level Performance

Following two years of MX and off-road testing, STI introduces Tech 2 PRO high-performance intermediate MX tires. STI tire engineers and professional racers teamed up to produce pro-level tires that combine holeshot-grabbing traction with race-winning durability.


The new Tech 2 PRO tires 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. 


The newly developed compound helps the tire hook up on hard-terrain MX conditions, and lets the tire excel in harsh off-road conditions. These new Tech 2 PRO tires provide durability that will be appreciated by top racers at a price trail riders will admire.



  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. Concentrated shoulder tread for max performance in loose and packed.


Sizes & Specs

TECH 2 MXC
SIZEPLY RATINGTREAD DEPTHPSI RANGELOAD / SPEEDTIRE WEIGHT (Pounds)PART #
Front
80/100-21416/3210 - 1551M8.8STP22111
Rear
110/100-18420/3210 - 1564M13.0STP21815
120/100-18420/3210 - 1565M13.5STP21817
100/90-19420/3210 - 1557M11.5STP21913
110/90-19420/3210 - 1562M12.0STP21915
120/80-19420/3210 - 1563M12.5STP21917

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