Fafeicy Plastic Motor Gears, 26 Piece Plastic Spindle Worm Gear Sleeves Kit 2 mm/2.3 mm/3 mm/3.17 mm/4 mm for All Types of DIY Cars, Robots, Model Making Accessories : Amazon.de: Toys
Colonnette serraggio ruote, filetto M18X1,5, lunghezza totale 37mm. Adattabile Same rif. 2.0399.018.2.