A high quality puncture protected training tyre featuring diamond tread and Silica Compound for good adhesion on dry or wet roads As with the Neo Pro the Blizzard Sport, this is available in a choice of colours to match the bike or improve visibility. A high quality puncture protected training tyre featuring diamond tread and Silica Compound for good adhesion on dry or wet roads. Psi: 85-110. Weight: 305g325g.