RFX Race 13 Teeth Gearbox output pinionRef : RFX01217A / 1123276002

Reference: FXFS 40-13 55ST — RFX Race Sprocket 13 Teeth

Designed for the Cross environment, this RFX front sprocket delivers the precision and durability expected on the track. CNC machined from high-strength alloy steel and then case-hardened to 60 Rockwell, it is engineered to resist wear while maintaining tight tolerances during installation. Its silver finish highlights the racing aesthetic without compromising durability.

Main features:

• Material: Case-hardened alloy steel
• Number of teeth: 13 teeth (standard sprocket version)
• Chain pitch: 520
• Color: Silver
• CNC machining for precise tolerances; lightweight holes present on some models

This sprocket is aimed at motocross riders looking for a reliable transmission component, suitable for the demands of the track: sharp accelerations, RPM changes, and muddy conditions. Check the 520 pitch and the number of teeth to adapt the gearing to your machine.

Common compatibilities: SUZUKI RM-Z 250 (2012), SUZUKI DR-Z 400 E (2004), SUZUKI RMX 250 (1999).