YSS's new shock absorbers are high-performance products from the Ecoline range, developed for the best possible performance together with a sporting look. Their biggest feature is the nitrogen reservoir they carry, which gives smoother, more linear movement, greater precision and better cooling. Main features: high-performance shock absorbers. Faster reaction. Greater response. Spring preload adjustment. A progressive spring that adapts itself automatically to any conditions. A separate nitrogen reservoir for comfortable riding or for demanding riding. Every YSS product is TUV certified.