Originally Posted by Mickhippy
The new Super Z HD has 26x12x12 tires. It also has a slightly higher top speed to the SZ its replacing.
Puppy, why did you replace all those parts? There wasnt anything wrong with it was there? Tax reasons?
The reason it has the higher top speed is the bigger tires. The old system would not be able to swing 26's on any type of hills. Maybe on a 60 but no way a 72.