Spindle straight tooth gear 102.5A 0.5 module 10 teeth 2.45MM bore inner diameter motor car model motor gear parts (4pcs)

102.5A gear: 10 teeth, 2.5A means it fits tightly with a shaft with a diameter of 2.5MM. The hole diameter is about 2.45 mm
0.5 means module, the module of this gear is 0.5
Calculation formula of outer diameter of gear: Outer diameter = (number of teeth 2) * 0.5

102.5A gear
Hole diameter: 2.45mm
Diameter: 6mm
Height: 4.4mm