RFX Pro Series Elite Aluminum Sprocket - 420 (manufacturer part number: FXRS 56-47 99RD): a sprocket dedicated to motocross riders who want to lighten the transmission without sacrificing durability. CNC machined from 7075 aluminum and anodized in red, it combines strength and aesthetics to equip your rear end with precision. The mud evacuation grooves limit dirt accumulation on the sprocket and chain, contributing to more uniform wear on the track.
- Material: CNC machined 7075 aluminum
- Color: anodized red
- Number of teeth: 47
- Chain pitch: 420
- Laser-etched RFX logo
- CAD-optimized profile for reduced weight
- Stiff design with tight tolerances for better fit precision
- Mud evacuation grooves to extend the lifespan of the chain and sprocket
- Type: standard — available in multiple colors depending on model
Designed for the motocross world, this sprocket is compatible with KTM 65 SX (2022, 2023) and KTM 60 SX (2000). Before installation, check compatibility with your model (axle, spacing, and number of mounts) and the condition of the pinion and chain to ensure a harmonious and secure assembly.
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