DESIGN?Electric speed sensor (known as PAS, wheel mounted sensor). It is a high tech component designed for electric with ergonomics. Making cycling easier and funnier. Made of steel material, the magnets is 12.
Sensor Type: PAS (Pedal Assist Sensor). E-bike conversion kits using PAS systems. 1x 12-Magnet Electric PAS Sensor (with pre-attached cable). Designed to mount on the crank or wheel section of the bike.