Gear set included: 3 ring gears (sun gear), three middle gears, five planet gears (10 teeth), 5 planet gears (11 teeth) 3 planets (15 teeth) Ring gear: the most important one, outer diameter: 34.3mm; height: 7mm Medium, outer diameter: 34mm; inner diameter: 24.5mm, height: 6.8mm The smallest one, outer diameter: 31.5mm; height: 6.5mm Denture: Teeth with 10 teeth, outdoors diameter: 8.7 mm; inside hole: three mm; thickness: 4.5 mm Number of tooth eleven teeth, outer diameter: 9mm; inner gap about: 3mm; thickness: 6mm Number of tooth 15 teeth, outer diameter: 10mm; bore about: 2mm; thickness: 4mm Center wheel: 12 teeth, tooth outer diameter 9.8mm, diameter: 22MM, small cylinder diameter: 2mm 15 teeth, tooth outer diameter 12mm, the biggest part of the outer diameter of tooth 25mm, Shaw cylinder diameter: 2.5mm Without teeth, the utmost outer diameter of 23.8mm, bore five * 7mm, small cylinder diameter 3mm