i'm sam. i live in the west midlands. i'm 14. did ride a onza t comp. was a new member last year but never got round to doing anything on the website but went trials riding mad trying though do everything ( succseded in most but need to get better) so please can you exept me. riding bmx at the mo but used to do trials. i ride my old t-comp when i meet up with the person i sold it to. i'm looking for a 26" at the mo. can someone tell me what mod and stock means as i aint got a clue.