Grin Technologies is a Vancouver, Canada product design and R&D company behind an open-standard lineup of electric bike conversion kits and parts. We design our hardware in-house, from the All-Axle hub motor and Cycle Analyst to the Satiator charger and Phaserunner controllers, and have served DIY ebike builders since 2005.
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Grin Technologies' warranty — what's covered on our ebike motors, controllers, batteries and kits, and how to claim. Canadian-made, backed by real support.