[vabarber2]

Originally Posted by DLIT

DON'T BUY VORTEX SPROCKETS!! They're garbage. I'm due for a chain/sprocket soon and I'm gonna stick with my 525. Proly go with an AFAM sprocket though. If they're good enough for Hopper, they're good enough for me. And they're STEEL, not shitty aluminum. I might do the 520 in the future, maybe when I'm more competetive on the track. Not needed now.

NtS, I would stick with stock size. Your bike is mostly street anyway. Wait til you get some track days under your belt. that's the way I see it anyway.