about 80 mph
to answer your question my sons derbi senda r does 55mph with me on it and im 14stone but remember it is unrestricted and if you upgrade to a 70 or 80cc kit it will go even faster
Not that fast but about 50 with no upgrades
Top Speed: 25 mph
40-50 mph
about 50 mph
50 to 60
about 40mph
125 kilometers
50 mph
150 mph fast
A Crf 50 goes 30-35 mph
It will go about 50-55 mph.