Magnet Disc 12 Magnets

Magnet disc with 12 magnets. Compatible eZee bikes using the 'classic system', identifiable by the presence of this battery gauge on the handlebar. 

This is just the magnet disc, the pedal sensor unit is a separate item. 

This magnet disc is made to 'friction fit' onto a square tapered bottom bracket axle. The inner diameter of the hole in this disc is approx 15mm. 

The total diameter is approx 78mm. The effective diameter of where the magnets are is approx 65mm. 

Maurice