Specbolt Fasteners Brand Euro type Sprocket bolts include 6 torx head Sprocket Bolts and flange nuts. These are the factory recommended 10.9 grade. They come Dacromet Plated, with medium strength thread lock on the threaded portion. The size is M8x26 and is correct to fit nearly every model KTM and Husqvarna dirt bike. Specbolt sprocket bolts are designed with strength in mind and use a Torx wrench.