The Turner Premium Steel Front Sprockets is an easy and affordable way to replace or upgrade your O.E.M. sprocket with self-cleaning mud grooves and lightening holes for peak performance. Made from the best chromoly steel and fully heat-treated for maximum durability. Outlasts any mild steel or surface-hardened sprocket. Self-cleaning mud grooves to prevent dirt build up. Lightening holes to help keep weight down and retain maximum strength. Note: Image is for representation ONLY.