RFX Pro Series Elite Aluminum Sprocket - 428 (48 Teeth): designed for motocross, this sprocket combines lightweight construction with durability on muddy terrains. CNC machined from high-performance 7075 aluminum and finished in black anodized, it withstands the specific demands of off-road riding while facilitating ratio changes to fine-tune your machine's engine response.
- Material: CNC machined 7075 aluminum, black anodized finish.
- Teeth: 48 teeth, 428 chain pitch — standard for many small displacement 85cc bikes.
- Design: CAD-optimized profile to reduce mass without sacrificing rigidity.
- Mud Clearance: machining grooves to limit accumulation and maintain chain/sprocket engagement.
- Finishes: laser-etched RFX logo, color coding according to model and available in silver.
- Tight Tolerances: precise machining for smooth operation and reliable chain engagement.
Ideal for motocross riders looking for a robust and lightweight sprocket. Compatible with KTM 85 SX, Husqvarna TC 85, and GasGas MC 85 (2025 models in 85cc) — check the desired number of teeth and 428 pitch before installation. Manufacturer reference: FXRS 51-48 99BK.
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