This bad boy made a huge difference in how my bike feels and handles. Now it doesn't dive or pull when I hit the brakes. My bike laughs at potholes! (unless it is a really big one, in which case I'll politely ride around it)
Mazzucchelli Racing Crankshaft (Vespa P/PX, late Sprint/Super)
Shock, Bitubo Rear - Standard - Most Vespa, Stella
Corsa Racing Seat (Small Frame Vespa), with hardware
Malossi Cylinder Kit - Vespa P125 / 150 / Stella (166.6cc)
Malossi Performance Exhaust, P125/150/Stella, Right Hand
Tire, Whitewall Prima 3.50 x 10 T/L WW