6 Magnet Disc Sensor For EPAC 78mm Diameter O/D 3 1/8" E-Bike scooter etc

6 Magnet Disc Sensor For EPAC 78mm Diameter O/D 3 1/8" E-Bike  Pedal assist

6 magnet sensor for e-bike, scooter etc

78mm diameter outer disc

Magnets are approx 66mm diameter

Inner of disc 15mm diameter for axle

4mm thickness

With directional fitment arrow

Made by King-Meter

Sorry we have no information regarding magnet strength etc