Originally Posted by g_e_young
Is the K1600GT final drive a significantly different design internally? Or just more robust? I just hope the new FD is lighter as I think the single worst design element of my GSA is the amount of unsprung weight at the rear wheel. It's very obvious when driving over bumpy surfaces....
Did you try with a better rear shock? While I am not saying it reduces the unsprung weight, it does reduce the rear wheel trampling.