RFX Pro Series Elite Aluminum Sprocket - 428: a sprocket designed for the terrain, made for motocross riders seeking lightweight, durability, and easy maintenance. CNC machined from 7075 aluminum and anodized blue, it combines an optimized CAD profile and mud evacuation grooves to limit dirt accumulation and preserve the lifespan of the chain and sprocket.
- Laser-engraved RFX logo for a clean and durable finish.
- CNC machined from 7075 aluminum for a good weight/stiffness compromise.
- Mud evacuation grooves to facilitate cleaning on muddy tracks.
- Brand color coding and blue anodized finish to match the machine.
- CAD profile and tight tolerances for better chain engagement.
- Stiff design intended to limit deformation under demanding use.
Technical specifications:
Color: Blue — Material: Aluminum — Number of teeth: 47 — Chain pitch: 428 — Type: Standard
Compatibility (examples): YAMAHA YZ 85 LW BIG WHEELS 19/16 (2026), SUZUKI RM 85 STD WHEELS 17/14 (2023), YAMAHA YZ 85 (2026).
Manufacturer's reference: FXRS 35-47 99BU — An RFX Pro Series sprocket designed to tackle tracks, jump whoops, and handle mud without sacrificing weight.
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