The RENTHAL Front Sprocket - 13 Tooth 292--520-13GP is engineered for performance and durability. Manufactured from case hardened and core refined 655M13 nickel chromium steel, this sprocket offers enhanced wear resistance and longevity. Designed with machined self-cleaning mud grooves at each tooth, it effectively prevents mud buildup, ensuring smooth operation. With an ultralight design, this sprocket provides a significant weight savings of 10-15%, making it an ideal choice for serious riders looking to optimize their bike's performance. Features: * Material: CNC-machined from case hardened and core refined 655M13 nickel chromium steel for enhanced durability * Mud Grooves: Machined self-cleaning mud grooves at each tooth to prevent mud buildup and increase wear resistance * Weight Savings: Ultralight design offers a 10-15% reduction in weight for improved performance