jmansracerocket - thanks for the reply!
It is a big buggy. Here is a pic of what it looks like:
So why the 10g weights? roller or slider? I hear opinions all over the board. I am 6'5 240lbs so I need a good balance of torque and speed. Top end is not my priority - getting over hills is.
So a variator assembly like this:
https://www.amazon.com/GOOFIT-Comple.../dp/B00T47X44O