Welcome to the Cero Ebike Forum. This is a place where Cero ebike owners can get together and talk about their ebikes. Discuss known issues with Cero Bikes and troubleshoot common problems and error codes. Find out how long they last, how fast they go, their range and where to get cheap replacement batteries & parts. Learn how to modify your Cero ebike to remove the speed limiter & how to program your controller. See photos & videos of Cero ebikes from other group members in the Cero Forum.