SuperProx 13 teeth Gearbox output pinionRef : SUP00311A / PA31713

13-Tooth Output Sprocket by SuperProx

The 13-tooth output sprocket is designed for a 520 pitch transmission, intended for roadster and vintage motorcycles. Made from high-strength SCM45 treated steel, it features a lightweight design and self-cleaning teeth to minimise dirt accumulation. Accurate technical dimensions ensure reliable replacement and compliance with manufacturer specifications.

Design and Materials

• High-strength SCM45 treated steel to maintain mechanical integrity under load and reduce the risk of premature wear.
• Lightweight perforated sprocket design for easier handling during installation.
• Self-cleaning teeth that help limit mud and debris buildup on the sprocket.

Practicality and Features

• Clearly marked 520 pitch for selecting compatible chains and components without error.
• Number of teeth: 13 for precise identification of the desired gearing ratio during replacement.
• Standard sprocket version suitable for output shaft installation for easy integration into intended setups.

Benefits

• Manufacturer reference: CST-270:13.2 for quick identification of the exact part from the supplier.
• Product from a specialist manufacturer since 1959, supplying manufacturers and racing teams, providing recognised manufacturing expertise.

Compatible Motorcycle Examples

• HONDA CB 250 TWO FIFTY (2001 - 250 cm3)
• HONDA REBEL 250 (1999 - 250 cm3)
• HONDA CA 125 REBEL (1999 - 125 cm3)

Complete list of compatible motorcycles available in the dedicated section below