When I worked for F&S, we regularly used Tech Care to shorten suspension. I remember a 125 we had shortened by 3 - 4 inches at the seat with reduced travel and shaved seat foam. The bike looked odd sitting next to a stock one, but the rider loved it.
Good luck finding a 20" front rim. Those...
I don't know the "why", but I do know last year they charged an annual membership fee (10 or 15; I do not remember) + a $25 daily ride fee. This year they went with the "no annual membership" model + $30 daily ride fee.
I do not know if they are offering more either.
Feel free to shoot at the...