PBR Steel Standard 579M - 520 Output sprocketRef : PBR00967A / 1077763002

PBR Standard Steel Sprocket 579M - 520 (manufacturer part number: 579M 15 18NC)

Designed by PBR, an Italian specialist in competition transmission components, this standard steel sprocket is aimed at riders looking for a reliable replacement part for 520 pitch drivetrains. Its steel construction and strict manufacturing process ensure a robust component ready to be installed on a roadster or light trail transmission.

• Material: Steel
• Number of teeth: 15 teeth
• Chain pitch: 520
• Type / reference: 579M, standard version

Choosing a 15-tooth sprocket affects the gearing: it provides a balance between acceleration and top speed depending on the sprocket/crown ratio. This PBR sprocket is suitable for replacing a worn component, restoring proper chain alignment, and maintaining consistent engine performance.

Common mounting examples: YAMAHA R9 (2025 - 900 cc), YAMAHA TENERE 700 RALLY (2025 - 700 cc), YAMAHA TENERE 700 (2025 - 700 cc). Before installation, check compatibility with your model, inspect the condition of the chain, and adhere to the torque specifications recommended by the manufacturer.