went to 16t on mine, and love it. Won't be going back to 15. It still has plenty of low end torque with the 16t so I don't feel I am losing anything. What I am gaining is even more relaxed slabbing and cruising speeds as it revs lower.
http://www.svracingparts.comHi, you are getting a Higher Quality Chain and you are Getting High Quality Made in the USA Steel Sprockets. I know Chad at the Sprocket Center very well and his kit ships you made in Thailand JT Sprockets. The $20 Gets you very High Quality Parts that will serve you well over time,