New for the NT1 is this adjustable rear anti-roll bar set that allows you to quickly and easily adjust rear anti-roll bar stiffness without replacing any parts. Featuring a beautifully CNC-machined roll bar body from premium Swiss 7075 T6 and anti-roll bar blades machined and precision hand ground from world s most exclusive Hudy Spring Steel that have also been specially hardened to provide extra long life and high strength. The set has two adjustable anti-roll bar blades that are locked in place by easily-accessible setscrews.