Originally Posted by Pyndon
Hardly, I look at the same thing every time I ride my cross country bike
Mmm unless your are hyper well connected or very wealthy, they may look the same but as per my experience with the 660 and the 690 only the factory boys have the real trick bits.
Ps why 4 sets to test if the internals are the same? Otherwise it is just settings
. One sets may cost more than a 450rr