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Sprocket RFX Pro Series Elite Aluminium - 428

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RFX Pro Series Elite Aluminium - 428 SprocketRef : RFX00427A / 1123237010

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Description
Compatible motorbikes
Questions and answers

DescriptionRFX Pro Series Elite Aluminium - 428 Sprocket

Product details :

Features

Manufacturer Ref: FXRS 51-47 99BU
Sprocket: RFX Pro Series Elite aluminum - 428

Designed for the motocross world, this RFX Pro Series Elite sprocket is CNC machined from 7075 aluminum and comes in blue anodization. Its CAD profile and tight machining tolerances provide precise geometry, while the mud evacuation grooves facilitate self-cleaning between the teeth to minimize chain buildup. A lightweight and durable option for those seeking a robust and refined transmission component.

Material: CNC machined 7075 aluminum
Number of teeth: 47
Chain pitch: 428
Finish: Blue anodized, RFX logo laser engraved
Mud evacuation grooves to reduce accumulation
CAD profile and rigid design for better resistance to torsional stress
Brand color code — also available in silver

Compatibility (examples): KTM 85 SX STD WHEELS 17/14 (2025), HUSQVARNA TC 85 STD WHEELS 17/14 (2025), GAS GAS MC 85 19/16 (2025) — check the number of teeth and pitch before installation.

Technical information :

Reference

RFX00427A / 1123237010

No transmission chain

428

Number of teeth (crown)

Type of crown

Standard

Number of teeth

47 teeth

Material

Aluminum