Reinforced aluminium sprocket - 520 45 teeth by PBR

Ergal alloy sprocket treated with hard anodising by PBR, designed to reduce the weight of the transmission while enhancing wear resistance. Suitable for 520 pitch transmissions and for road and track use where durability and responsiveness are essential.

Design and materials

• Machined Ergal alloy to provide a lightweight component and minimise transmission inertia
• PBR hard anodising treatment for increased wear resistance and reduced friction
• Anthracite finish providing a racing look and protection against corrosion

Usage and performance

• Used in Moto2 and Superbike, suitable for the high demands of competition
• 45 teeth allowing direct replacement of 45-tooth sprockets to maintain the original gearing

Practicality and features

• Designed for 520 pitch chain ensuring mechanical compatibility with 520 transmissions
• Check the 520 pitch and 45 teeth count before installation to ensure correct assembly

Advantages

• OEM reference 4747 45 LD
• Compatible with Trail/Adventure, Sport/Racing, and Roadster categories

Examples of compatible motorcycles

• APRILIA TUONO 660 FACTORY (2026 - 660 cm3)
• APRILIA TUONO 660 (2026 - 660 cm3)
• APRILIA TUAREG 660 RALLY (2026 - 660 cm3)

Complete list of compatible motorcycles available in the dedicated section below