Wow! Talk about waking up a sleeping giant.....I just replaced my OEM chain with an EK 520 MVXZ chain in Red, a 14T front sprocket and 46T rear by Superlite and man what a difference!!! ALOT more get up and go than previously......ALOT more low end take off power! Going down in the front by 1T and lightening up the rear spocket really makes a difference! Got all 3 in a combo package for a little over $175 at SpocketCenter.com.....bought the chain tool as well and the install was fairly easy.....