PBR standard steel - 520 39 teeth SprocketRef : PBR01563A / 1075564008

The PBR standard steel sprocket - 520 is a robust drive component designed for the final transmission of roadsters. Drawing from experience gained in competition, it uses an 18NCD5 steel alloy known for its mechanical strength. With a sleek black finish and precise tooth design, it offers a simple and reliable solution to replace your worn sprocket and maintain a 520 chain in good working order.

• Manufacturer's ref: 504 39 C45
• Material: Steel (18NCD5 alloy)
• Colour: Black
• Number of teeth: 39
• Chain pitch: 520
• Type: Standard sprocket

The manufacturing process adheres to a strict quality control protocol, aimed at limiting premature wear through precisely machined teeth and a surface treated to resist corrosion and abrasion. The design also helps reduce friction between the chain and sprocket, promoting smoother rotation and consistent handling on the road.

Compatible with many roadsters (check compatibility with the model and mounting kit) — common examples include: KAWASAKI NINJA 500 SE (2026), YAMAHA R9 (2025), SUZUKI GSX-R 1000 R ABS (2021). An ideal part for riders looking for a durable and no-frills steel sprocket.