1QD

Easybike Wiring Notes

The name ‘Easybike’ has been used by more than one manufacturer: Easybike of Colchester, United Kingdom. This page only applies to one such machine. Back in the late 90s, Easybike used our controllers in their Read More

1QD Speed Controller

Introduction The 1QD is an obsolete controller: this page is for reference only. As a replacement, we would advise the Porter range of controllers. 4QD’s 1QD series are motor speed controllers for 12v or 24v battery operation. Read More