Gotta buy a Crimping tool + JSK connectors that match from Amazon or other stores. This was a bit of a pain, so I also bought some normal standard connectors as you have in the picture (v6).... I ended up liking the existing ones better because of the way they clip.
https://www.amazon.ca/gp/product/B0188DMF3A/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1