New to ebike conversions? Start here to learn how the parts fit together, hub motors vs mid-drives, kits vs turnkey bikes, and whether a kit will fit your bike.
Everything you need to choose and build a Grin ebike conversion kit: hub motor options, battery options, kit types, pedal-assist sensors, and installation guides.
Advanced ebike guides from Grin: dual motor drives, solar charging systems, wheel building, and troubleshooting for more ambitious conversion projects.
This section contains articles and videos we've produced that dive deeper into the theory of electric bicycle tech, from motors and motor controllers to pedal assist and control systems.
Our online simulator tools provide legendary insight into ebike and EV performance, from modeling motor and drive-system behavior to post-trip analysis.