We have most everything you are looking for to build that high performance MiniBike or to get your mini more rideable for the child or adult rider. 
We have many more items available than what is shown on this site.  

apd
Providing Economic High Quality Performance Moto Mini Parts and MX Freestyle Ramps

PIMPIN out the TTR50
Call to order
AFO TTR50 Bar Kit
TTR50 Stoppie Vid (quicktime)