ARISUN Big Smoothy 
FAT BIKE
• the invertedly running, centered tread has diamond shaped
  studs, which ensure a reduced rolling friction
  and smooth running on hard surfaces
• the diamond pattern points towards the shoulder
  with big studs which become bigger and more
  aggressive at the side walls
• bigger studs ensure higher grip and traction
  when riding in gravel, dirt and snow
• this tyre was developed for making urban fat bikes
  light and fast