RFX steel - 520 13 teeth Output sprocketRef : RFX01693A / 1123277001

Steel Output Sprocket - 520 13 Teeth by RFX

RFX Pro Series front sprocket, CNC machined from high-strength steel and hardened to 60 Rockwell degrees for excellent wear resistance. Designed with lightweight holes and self-cleaning grooves to limit mud accumulation. Black zinc finish providing light corrosion protection and a polished aesthetic.

Design and Materials

• CNC machining ensuring tight tolerances for consistent chain engagement
• High-strength steel hardened to 60 Rockwell degrees to limit wear and maintain tooth geometry
• Lightweight holes reducing sprocket mass while preserving rigidity

Practicality and Features

• Self-cleaning grooves on both sides to limit mud accumulation and extend transmission lifespan
• Black zinc finish reducing light corrosion from washing and maintaining the sprocket's appearance

Advantages

• OEM Reference FXFS 40-13 99BK
• 520 format, 13 teeth for quick identification during replacement
• Cross type, suitable for the specific demands of off-road riding

Compatible Motorcycle Examples

• SUZUKI RM-Z 250 (2012 - 250 cc)
• SUZUKI DR-Z 400 E (2004 - 400 cc)
• SUZUKI RMX 250 (1999 - 250 cc)

Complete list of compatible motorcycles available in the dedicated section below