Hi, my name is Matt, I just bought an onza t-rex frame to replace the frame on my spare parts bike. I have been riding trials for about 1.5 months now and I am gradually improving
from what i have heard it does not matter about age at all it is to do with the wheel size that you are using, don't hold me to this but i think that anything over 24'' wheels must be used on the road not the pavement but under 24'' and your fine