The langster has more of a road geometry and the comp has more of a track geometry. Component wise, the langster is decent and the comp seem to have pretty high end msrp wise, parts. The regular langster is also good to go with front/rear brakes and bottle cages while the comp has no brakes and even then you can only put a front brake on. There are also no bottle cages on the comp. It's really more of a track bike.

That said, I really like my comp and feel it's pretty beefy for every day commuting. The carbon fork is huge compared to the one on my road bike.