these bikes are made for racing with light weight frames
and hand built engines and top-notch parts
e.g brakes,wheels,bars, suspension,exhaust and pipes travis pastranas bike
was modded to the max as light as it can
be as fast as it can be and the look of one of a kind
from exhaust pipes and any other places heat would come from and/or if you crash it has some padding to prevent damage
the gear it self is light and has high air flow through gear
big part of nitro circus with his amazing stunt the triple back flip
now he does rally races he use to do all types of stunts/tracks he was
the best of the best when it came to riding he rode a modified suzuki rm
250 with special mods to make the bike lighter and more faster