Dalton Industries Clutch Kit - 28in. or Larger Tire The ultimate in qualilty for riders who care about performance and want to get the most out of their equipment Extensive testing and exacting production standards create some of the best clutch tuning components in the industry. Includes a new primary spring, a custom helix, and a new torsion secondary spring Instructions include a set up guide including secondary spring adjustments for different size tires Also includes settings for the stock secondary spring if you alternate to smaller 26in. tires, etc.