Cargo Bike Conversion Fork: How I Built a Cargo Bike for under $70 | The Radavist | A group of individuals who share a love of cycling and the outdoors.
CARGO FORK - OMNIUM CARGO US
Front cargo dolly/trike conversion kits | Electric Bike Forums
JoKer Mini cargo fork
Zaftig Cargo Fork: Lowriding Load-Lifter | WIRED
Danish kit turns regular bikes into electric-assist cargo-haulers