RFX Race 15 Teeth Gearbox output pinionRef : RFX00565A / 1123289003

The RFX Race 15-tooth sprocket (manufacturer reference FXFS 56-15 55ST) is designed for motocross riders looking for a robust and precise drive component for their transmission. CNC machined from cemented alloy steel, it features a hardened surface treatment — cementation at 60 Rockwell — to optimize wear resistance over time.

• Number of teeth: 15
• Chain pitch: 420
• Material: Steel, silver finish
• Version: Standard
• CNC machining with tight tolerances for precise engagement
• Some RFX models feature lightening holes to reduce rotating mass

Designed for replacement installation on 420 transmission systems, this sprocket allows you to adjust the final gearing according to your track or training use. Its robust design makes it a reliable option for 65 cc and other motocross machines that utilize this chain pitch.

Common compatibilities: HUSQVARNA TC 65 (2023), KTM 65 SX (2022), HUSQVARNA CR 65 (CR6530) (2012).