RFX Pro Series Elite Aluminum Sprocket - 520 (FXRS 31-47 99BU)
Designed for demanding riders, this RFX Pro Series Elite sprocket combines lightweight and strength through CNC machining in 7075 aluminum. Specifically crafted for motocross and muscular roadsters, it features an optimized CAD profile, tight tolerances, and mud evacuation grooves to preserve chain life and limit dirt accumulation on the teeth.
- Material: CNC machined 7075 aluminum
- Chain pitch: 520
- Number of teeth: 47 teeth
- Finish: blue anodization with laser-etched RFX logo
- Design: CAD profile, rigid design for better torsional resistance
- Maintenance: mud evacuation grooves to limit wear
This standard sprocket is available in color codes by brand for a neat integration on most off-road and street machines. It is particularly suitable for the following machines listed for this reference: YAMAHA YZ 450 F (2026), FANTIC XX 125 (2022), and HONDA FX 650 VIGOR (RD09, 2000).
Manufacturer reference: FXRS 31-47 99BU. Ideal for those looking for a lightweight, durable, and visually appealing sprocket to prepare or maintain their drivetrain.
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