RFX Pro Series Elite Aluminum Sprocket - 428 (Ref. FXRS 35-48 99BU)
Designed for off-road competitions, this RFX Pro Series Elite sprocket combines lightweight and durability. Machined from 7075 aluminum using CNC technology and anodized in blue, it features 48 teeth with a 428 pitch, an optimized CAD profile, and mud evacuation grooves to limit accumulation and premature wear of the chain and sprocket.
- Material: CNC machined 7075 aluminum
- Number of teeth: 48 teeth
- Chain pitch: 428
- Finish: blue anodization, laser-engraved RFX logo
- Design: lightweight CAD profile, anti-mud grooves, and rigid construction to reduce torsion
Ideal for motocross, this sprocket is intended for smaller formats such as 85cc and pairs particularly well with machines like YZ/RM 85 (check motorcycle reference and compatibility for installation). Its careful manufacturing and tight tolerances ensure a professional-looking part, designed for track sessions where every gram and every strength matters.