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Motorbike parts and tools

Transmissions

Sprocket RFX Pro Series Elite Aluminium - 420

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RFX Pro Series Elite Aluminium - 420 SprocketRef : RFX00340A / 1123225003

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Description
Compatible motorbikes
Questions and answers

DescriptionRFX Pro Series Elite Aluminium - 420 Sprocket

Product details :

Features

Manufacturer Reference: FXRS 26-46 99GN

The RFX Pro Series Elite crown in 7075 aluminum with a green finish is designed for motocross riders seeking lightweight and precise engagement. CNC machined and derived from an optimized CAD profile, it features 46 teeth with a 420 pitch and a machined design to limit mud buildup, making transmission maintenance easier in wet or muddy conditions.

Material: CNC machined 7075 aluminum for an optimal weight/stiffness balance.
Teeth: 46 teeth – 420 pitch, standard type for corresponding chains.
Finish: Green anodization with laser-engraved RFX logo.
Design: Lightweight CAD profile, tight tolerances, and rigid design aimed at better torsional resistance.
Maintenance: Mud evacuation grooves to limit dirt accumulation between the chain and crown.
Color: Brand color code (also available in standard silver).

Ideal compatibility for compact motocross machines — particularly KAWASAKI KX 65 (2021, 2025, 2026). A part intended for demanding riders who wish to maintain a clean and responsive transmission on special stages.

Technical information :

Reference

RFX00340A / 1123225003

No transmission chain

420

Number of teeth (crown)

Type of crown

Standard

Number of teeth

46 teeth

Material

Aluminum