Speedbox 3.3 B.Tuning Chip for Giant Syncdrive Pro2, Sport2, Pro3, Pro3x eBikes | Bluetooth Version

So far , so good. Occasionally turns off, but with the app can turn it right back on.

Fast dispatch and great product, thank you.

Very Fast shipping excellent communication from the shop kept me right with which chip I needed for my bike highly recommended thank you 5*