Item Descriptions:
-This bicycle pedal assist sensor disk is equipped with 12 magnets, with a diameter of 65mm and an aperture of 15mm.
-The sensor disk is compatible with Green 7.7, Z801, Z802, and ZT20R electric bicycles.
-Made of Alloy, plastic, magnet material, durable and long-lasting.
-As long as the inner ring of the auxiliary sensor is clamped on the intermediate shaft and the housing is fixed on the frame, there is no need to disassemble the intermediate shaft, making installation convenient, stable, and reliable.
-Easy to install: It is more labor-saving, easy to ride, small in size, and lightweight. Suitable for most electric bicycles.

Package:
1x/2x Bicycle Pedal Sensor Disk

Item Specifications:
Bicycle type:Electric bicycle
Materials:Alloy, plastic, magnet
Diameter:65mm
Aperture:15mm
Number of magnets:12 magnets
Colour:Black