I need some help

[CrankFlip]

Well heres the thing i do bmxracing and bmx dirt and i was wondering if anyone recommended different parts for my bike. I have a se racing bronco xpert.( www.sebikes.com ) I just want a reliable bike because i am just getting started in bmx racing, but i also love to ride dirt.
recommendations anyone?

[Minitrix]

Frame
Casette hub
Stem
Chainwheel
...
Actually, I have an idea for a "part" to get.
A new complete.

[screwglue]

okay well aaron i duno if u ahve that much money thoug but:
Chrome rim,cassete(either custom or stock)
new bars that are probaly lighter
there are a milion other shit but those what you gotta get first, cehc kout the for sale area in this forum they got good deals