 
          TPI: 67
Usage: Winter Studded
- Lighter, grippier, faster. The 'turbo' of spike tires
- The tungsten carbide core of each spike is clad in weight saving aluminum
- 26" = 361 spikes
- 27.5" = 378 spikes
- 29" = 402 spikes
 
          TPI: 67
Usage: Winter Studded