Standard Steel Sprocket - 520 42 Teeth by PBR
Road steel sprocket designed for 520 profile chain transmissions, delivered with 42 teeth for precise replacement. Made from 18NCD5 alloy, it offers high resistance to corrosion and abrasion to minimise wear. The manufacturing process and reduced friction contribute to a smoother transmission and reliable fitting.
Design and Materials
- 18NCD5 steel alloy providing strong resistance to corrosion and abrasion to limit wear on the drivetrain.
- Strict manufacturing process ensuring tight tolerances for precise fitting during installation.
Practicality and Features
- Reduced friction for smoother transmission and more consistent chain performance in road use.
- Road type indicated, suitable for Sport/Racing and Roadster motorcycles for on-road use.
Benefits
- 520 profile with 42 teeth specified in the name for direct replacement on compatible transmissions.
- OEM Reference 4743 42 C45
Examples of Compatible Motorcycles
- BMW S 1000 RR (2026)
- BMW M 1000 RR (2026)
- BMW S 1000 R (2025)
Complete list of compatible motorcycles available in the dedicated section below
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