size 4.50-10 type Rear model APE LD EXTRA brand PIAGGIO XM LUG Feature Benefits IMPROVED TREAD COMPOUND BETTER MILEAGE STRONG STRUCTURAL DESIGN DURABILITY ON LONG RUN RIBS WITH MULTI PITCH PATTERN LOW NOISE AND COMFORTABLE STEERING LUG TREAD DESIGN EXCELLENT ROAD GRIP AND COMFORT STRONG NYLON CASING EXTRA STRENGTH