Surface 604

Welcome to the Surface 604 Ebike Forum. This is a place where Surface 604 ebike owners can get together and talk about their ebikes. Discuss known issues with Surface 604 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 Surface 604 ebike to remove the speed limiter & how to program your controller. See photos & videos of Surface 604 ebikes from other group members in the Surface 604 Forum.