Removable pinion 7,5 x 13 teeth BRASS
Brass and Duraluminium - for 2 mm motor axle - allen screw M2,5 x 2,5 mm - bag with 1 unit + 2 screws
With the removable pinion, it is easier to change the gear ratio and this allow a precise adjustment with the crown. We have included two allen screws for a perfect balanced because on the motor axle are the maximum revolution and a slight imbalance can have fatal consequences for the motor.
The Aluminium support pinion is anodized with different colours for easy identification: 10 teeth gold, 11 teeth silver, 12 teeth black and 13 teeth purple.