80/100x21 Pirelli Scorpion MX 554 Mid To Hard Terrain for Yamaha YZ250WR 1989-1990

The Pirelli MX 554 was designed for medium to hard terrain. From loose, grassy surfaces to compact dirt and stones. Conditions most commonly encountered on everyday motocross tracks.

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. Rear tread pattern designed with 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.