Set the delivery location to see products according to your choice.
External diameter of the large wheel - 80.5 mm
Hole diameter of the large wheel's axle - 14 mm
Height of the wheel measured at the axle hole - 17/21 mm
Number of teeth of the large wheel - 48
External diameter of the small wheel - 20.7 mm
Opening of the rotor of the small wheel - 9 mm
Height of the small wheel - 22.7 mm
Width of the small circle - 10x13 mm / 4 mm
Number of teeth of the small wheel - 11
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.