No, you are wrong. The SS has the upper adjustable arms, the HD bones, a tuned pipe, the spring pipe mount, and the .25. So its alot more than just the .21 Savage.
Matt
ORIGINAL: MAMMOTH TOUGH
I would go with the 25 it has a better clutch, fuel tank and the ss is just a 21 with a 25 motor but it is my[8D] opinion