Equipped with controlled flexion areas and intelligent protection system designed to ensure that the sliders bend in certain areas to increase bike preservation. Each kit is made to fit specific bike models and requires no extra parts to assemble this product when purchased. Strong aluminum elements (alloy class 2017) ensure that the whole protection system will stand up to the toughest conditions. Precision-made with CNC machines and anodized matte black to avoid corrosion. Molded impact pucks are made from special proprietary energy-absorbing material. Detailed assembly instructions included.