Polini cylinder kit D. 40 for Peugeot Trekker 50 | eBay
B1 Piston Pour Engine Compatible Peugeot Trekker / 103 40 mm : Amazon.de: Automotive
Cylinder 100cc Standard without Gasket for Peugeot 100 2-Stroke (50.6 mm) for Speedfight /Trekker /Elyseo | Heavy Tuned: Cheap spareparts for Scooter, Bikes, Motorcycles & Vespa