Peugeot Speedfight replacement unrestricted bypass CDI unit, these fit mopeds which have immobiliser systems.
They do away with the immobiliser and once fitted the immobiliser system is permanently disabled.
Therefore they can be a cheap way of solving any immobiliser faults or problems or of replacing a faulty CDI without having to reprogram the immobiliser system.

This CDI has no restrictions or rpm limitations.

Suitable for 50cc and 100cc Speedfight 2, Vivacity, Trekker where your old cdi unit is marked ACI 100.