Bob(QPD) is sending me a 24 & 25 tooth front spocket next week (think 18 & 17 chain sprockets). I'll test and review the findings here, including correct RPM-MPH ratios (thank's Lisa!)

I can't say enough of what a quality person Bob Oswald is, a truely good guy. QPD web site

2005 Speedmaster Staintune Exhaust Ikon 1" lowered rear shocks