Got mine from Fungineers

https://www.peipeiscooter.com/10inch-10-inch-10x6-00-5-5-wide-tyre-brushless-gearless-dc-wheel-hub-motor-balance-scooter-hub-motor-hally-motor-phub-188.html

Bluetooth is a must

https://trampaboards.com/vesc-6-mkiv-in-cnc-t6-silicone-sealed-aluminium-box-with-genuine-xt90-connectors--vedder-electronic-speed-controller-trampa-special-p-27536.html

https://www.imrbatteries.com/samsung-25r-18650-2500mah-20a-battery/

1-1/2 in. x 96 in. x 1/8in Aluminum Angle Bar with 1/8 in. Thick

https://www.homedepot.com/p/Everbilt-1-1-2-in-x-96-in-Aluminum-Angle-Bar-with-1-8-in-Thick-802617/204273956

3/4 in. x 48 in. Aluminum Angle with 1/16 in. Thick

https://www.homedepot.com/p/Everbilt-3-4-in-x-48-in-Aluminum-Angle-with-1-16-in-Thick-801727/204273985

https://www.amazon.com/gp/product/B0732NHQC6/

https://www.amazon.com/gp/product/B081JX2Q64

https://www.amazon.com/gp/product/B07P5XVHT1

https://www.amazon.com/gp/product/B0756TDTDM

https://www.amazon.com/gp/product/B073RF4YY4

Power connectors

https://www.amazon.com/gp/product/B07Q2SJSZ1

Footpad connector

https://www.amazon.com/gp/product/B0188DMF3A

Thin strips would have been better

https://www.amazon.com/gp/product/B01I1XNY1E

https://www.amazon.com/gp/product/B00L0W44JU

Motor connectors

https://www.amazon.com/gp/product/B07CSQH2QC

VESC crimp terminals

https://www.amazon.com/gp/product/B07D241T3M

https://www.amazon.com/gp/product/B07G7YMJXW

https://www.amazon.com/gp/product/B07RQP6HHN

https://www.amazon.com/3M-0051131790797-Safety-Walk-Tread/dp/B0026SZJU0

https://www.mcmaster.com/92390A851/

Screw-mount Nut

https://www.mcmaster.com/90611A350/

Steel flanged bolt

https://www.mcmaster.com/97654A265/

Teeny tiny screw to mount nut

Also got a #52 drill bit, so tiny

https://www.mcmaster.com/90065A047/

https://www.mcmaster.com/1125T32/

Motor, controller, frame and cells

It is a bit expensive but getting stuff from China is so slow.