ED/T4 Controller FWD ezee_carro_parts This is the external battery

This is the external battery for Gen 1 Shimano e-bikes

Bosch Intuvia Display Holder with 1500mm cable

It is assumed if ordering this item

This is the genuine battery for the official Brompton Electric

The Sprint/Bolt is recommended for use on sealed surfaces only

ED/T4 Controller FWD ezee_carro_parts This is the external batteryTorque sensing controllor from eZee T4 series e bikes. Diagnosis of problems on this system is very challenging, to the extent that we recommend against simply ordering this product and hoping for the best. To order this product and have the best chance of it working, please: send us a picture your motor plug connector send us the numbers for firmware that were used. This involves getting information from the display according to this video. It's only