Sport Rider magazine tech article which talks about 520 conversion kits, gear ratios and more. Click on the link below.
http://www.sportrider.com/tech/146_0306_grng/
STEALTH Sprockets - D.I.D. Chain - EBC BRAKES - AFAM SPROCKETS - DRIVE SYSTEMS Sprockets - RK Chain - EXCEL rims - JT Sprockets - GALFER Brakes - TORCO Lubricants - SUNSTAR Sprockets - PJ1 Lubricants - Sprocket & Chain Kits
