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Sprocket RFX Pro Series Elite Aluminium - 428

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RFX Pro Series Elite Aluminium - 428 SprocketRef : RFX00355A / 1123229005

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Description
Compatible motorbikes
Questions and answers

DescriptionRFX Pro Series Elite Aluminium - 428 Sprocket

Product details :

Features

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.

Technical information :

Reference

RFX00355A / 1123229005

No transmission chain

428

Number of teeth (crown)

Type of crown

Standard

Number of teeth

48 teeth

Material

Aluminum

Color

Blue

Compatible motorbikes

YAMAHA9 compatible models

YZ 80 - 1993/2001YZ 80 LW BIG WHEELS 19/16 - 1994/2001YZ 85 LW BIG WHEELS 19/16 (CB10) - 2005/2026YZ 85 (CB04) - 2001/2003YZ 85 (CB07) - 2004/2004YZ 85 (CB09) - 2005/2012YZ 85 LW BIG WHEELS 19/16 (CB05) - 2002/2003YZ 85 LW BIG WHEELS 19/16 (CB08) - 2004/2004YZ 85 - 2024/2026

SUZUKI2 compatible models

RM 85 BIG WHEELS 19/16 - 2002/2023RM 85 STD WHEELS 17/14 - 2002/2023