This one is a family project. Spfun11 and his sons built the SpiderCarts Arachnid together, and rather than follow the parts list to the letter they made it theirs: a reused Wilwood hydraulic rear brake to save money, and a lightly customized rear suspension setup.
The black frame on gold ATV wheels looks the business sitting in the garage. His honest verdict was that it could use a bigger engine, which is the most relatable sentence any builder has ever written.
Swapping in parts you already have is exactly how these builds are meant to go. Start with the Arachnid plans and make your own calls from there.
Watch the full build