Lately I have noticed a tendency for the rear of the bike to bounce and not settle. Turning up the compression seems to magnify the problem. Since I am about 210 and still on the stock Ti spring, I am wondering about putting a steel aftermarket spring on the bike. The rear shock has been revalved by Race Tech. Has anyone around my weight use a different spring and which one? All the charts say I need a 5.7 but no one makes that just a 5.6 or 5.8.