WTB Verdict Tire - 27.5 x 2.5 TCS Tubeless Folding BLK Light/High Grip TriTec SG2WTB Verdict Tire 27. 5 x 2. 5 TCS Tubeless Folding Black Light High Grip TriTec SG2. Verdict is the do it all spike designed to handle loose technical trails. Its toothy knobs dig into soft terrain and grapple through rocks and roots. The Verdict tread pattern excels in loosest rowdiest conditions where relentless traction takes priority over rolling efficiency Abundant open space between all knobs allows the tread pattern to dig through the driest