RFX Race 12 Teeth Gearbox output pinionRef : RFX00568A / 1123293001

RFX Race Sprocket 12 Teeth - Ref. FXFS 62-12 55ST

Designed for the motocross world, this RFX Race front sprocket made of steel ensures a reliable chain connection and precise gearing. CNC machined from alloy steel and then carburized to achieve a surface hardness of approximately 60 Rockwell, it offers a clean finish and wear resistance suited for off-road conditions. Standard version with a 520 pitch, it installs on compatible transmissions to restore a clear and predictable engine behavior.

• Material: Alloy steel, silver finish.
• Number of Teeth: 12 teeth (front sprocket).
• Chain Pitch: 520.
• Manufacturing: CNC machining and carburized surface treatment (≈60 HRC).
• Version: Standard, suitable for motocross applications.

RFX manufactures its sprockets with tight tolerances for precise chain alignment; some models in the range also feature lightening holes to reduce rotating mass. Compatible with many enduro/cross bikes, this sprocket is aimed at riders looking for a robust part for replacement or gearing adjustment.

Compatible Motorcycles (examples):

• TM RACING MX 250 FI (2018)
• HUSQVARNA TE 310 I.E (2012)
• TM RACING MX 250 F (2013)