RFX Pro Series Elite Aluminium - 420 SprocketRef : RFX00334A / 1123224011

RFX Pro Series Elite Aluminum Sprocket - 420 (manufacturer part number: FXRS 25-51 99BK): a sprocket designed for motocross riding where reliability and robustness make the difference. Machined from 7075 aluminum using CNC technology, it combines lightweight and mechanical strength thanks to an optimized CAD profile and a rigid design that limits torsion. The black anodization gives it a sleek look and resistance to the rigors of the terrain.

• Material: CNC machined 7075 aluminum
• Number of teeth: 51 teeth — pitch 420
• Finish: black anodized, laser-etched RFX logo
• Design: mud evacuation grooves to extend the lifespan of the chain and sprocket
• Precision: tight tolerances for better chain engagement
• Type: standard, color-coded by model for easy installation and identification

Suitable for off-road practices, this sprocket fits perfectly on the listed small displacement motocross bikes (notably the Kawasaki KX 85 I & II). Ideal for riders looking for a robust, easy-to-maintain part designed to withstand mud and the stresses of the terrain.