Hi cos I riding a bionic before using a echo fork 
I try jump so hard it can not go to rear wheel 
I doing pedal hop it land on 2 wheel not rear how come?? 
Isit my geometry..my part are  
frame bionic before 
echo fork 
tryall 165mm crank 
Monty kamel stem 
rockman black bar 
Monty kamel front wheel 
zhi rear wheel 
both hope mono trial 
need help finding what the problem..