A DIY E-bike Conversion on the Cheap
Cars That Think
AUGUST 20, 2021
Terrafirma Technology , a company started by an engineer named Michael House who has gone into business supplying 3D-printed adapters to people who want to repurpose lithium-ion power-tool batteries. So I poured on the juice and blew past him, thereafter maintaining Tour de France speed. As I raced ahead, I chuckled to myself. "OK
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