need plans with dimensions

[frogdog123]

i'm trying to make a mini bike but i need some angles and dimensions
can any help?
and make it something along these line
check out attachment

 

[frederic]

There are plans on this system, for free:

http://www.diygokarts.com/bike-plans/bike-plans-overview.html

If you google for "free minibike plans" you'll find much of what you're looking for.