RFX Pro Series Elite Aluminium - 420 SprocketYAMAHA 65 YZ 65 - 2017 - 2026Ref : RFX00366A / 1123230003

RFX Pro Series Elite Aluminum Sprocket - 420 (Manufacturer Part No: FXRS 37-46 99BU)

Designed for motocross, this RFX Pro Series Elite sprocket is CNC machined from 7075 aluminum and tailored for demanding riders. Its blue anodized finish and laser-etched RFX logo add a racing touch while remaining functional. The CAD-optimized profile reduces weight without sacrificing rigidity, providing a responsive gear ratio and a direct feel at the start and during acceleration.

• Material: CNC machined 7075 aluminum
• Number of Teeth: 46 teeth (46)
• Chain Pitch: 420
• Type: standard, blue anodized
• Mud evacuation grooves to limit chain/sprocket abrasion and extend lifespan
• Stiff design for better torsional resistance and tight tolerances for more precise transmission
• Color code according to brand and availability in standard silver

Compatible with setups using the 420 standard and suitable for smaller motocross bikes like the YAMAHA YZ 65 (2024-2026). Simple installation as a standard replacement: check alignment and chain slack during installation.