Kinda need to know how long of a track and how tall of paddle. Assuming your on a 156, 159, 163 you should be looking towards 19-41, 19-42. I rode the crap out of my 04 vert escape 159x2 with 19-39 and it worked really well. Alot of folks say that gearing is too tall, I found it worked great! But the general consensus is 19-42. I'm running a 174x3" 8 tooth extro's with 19-45 and it's perfect.
