The "theorethical" top speed of the stock 865 engine at Max Power RPM (6,750) with a 42/18 is around 192kph/120mph,
with a 42/17 around 182kph/113mph, and for all you speed freaks running 42/19 you just hit 200kph/125mph. I knew ther was another reason I liked the 19 tooth sprocket...
