I recently upgraded the suspension on my Harley Sportster 2009 using these parts and I can tell you the difference in the ride is fantastic. The new struts and suspension parts have completely transformed the bike, giving smoother handling, better grip and a more stylish, aggressive look.Based on our own experience, these parts are well-made, durable, AND designed to offer improved performance. The only downside is the installation process is a bit complex and requires professional assistance. NSee full review