PIRELLI 100/90-19 Scorpion MX Mid Hard 486• Tread pattern born to offer the best performances on mid-hard surfaces with an excellent traction even on increasingly severe terrain conditions during the race.• A totally new rear tread pattern advances the Mid Hard 454’s performances; each knob contributing to an improved traction and power transmission.• Optimal resiliency for consistent performance over time; • Dedicated compound for outstanding grip in lateral sliding control;• Knob links (or “bridges”) layout for tear resistance.• Tread pattern and compounds proven with the most prestigious competitors in MX World Championship.