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Sprocket RFX Pro Series Elite Aluminium - 520

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RFX Pro Series Elite Aluminium - 520 SprocketRef : RFX00308A / 1123221001

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Description
Compatible motorbikes
Questions and answers

DescriptionRFX Pro Series Elite Aluminium - 520 Sprocket

Product details :

Features

Manufacturer Ref: FXRS 20-46 99GN

The RFX Pro Series Elite sprocket made from 7075 aluminum is designed for motocross riders who want a lightweight, durable part built to tackle mud. CNC machined and anodized in green, it features 46 teeth with a 520 pitch to maintain the original gear ratio while providing a significant weight reduction compared to steel sprockets. The mud evacuation grooves limit dirt accumulation for optimized chain and sprocket lifespan.

Material: CNC machined 7075 aluminum
Number of teeth: 46 (520 pitch)
Finish: Green anodization, laser-etched RFX logo
Design: CAD profile for lightweight, increased stiffness for better torsional resistance
Maintenance: Mud evacuation grooves to limit wear
Type: Standard, color code by model

Designed for the motocross world, this sprocket is particularly suited for Kawasaki KX 450 X (2026), KX 250 X (2026), and KX 250 (2026). A reliable replacement and optimization part for those who want to maintain transmission precision without adding unnecessary weight.

Technical information :

Reference

RFX00308A / 1123221001

No transmission chain

520

Number of teeth (crown)

Type of crown

Standard

Number of teeth

46 teeth

Material

Aluminum

Color

Green

Compatible motorbikes

KAWASAKI51 compatible models

KX 125 (KX125F) - 1988/1988KX 125 (KX125B) - 1982/1983KX 125 (KX125M) - 2003/2008KX 125 (KX125L) - 1999/2002KX 125 (KX125K) - 1994/1998KX 125 (KX125J) - 1992/1993KX 125 (KX125H) - 1990/1991KX 125 (KX125G) - 1989/1989KX 125 (KX125E) - 1986/1987KX 125 (KX125D) - 1985/1985KX 125 (KX125C) - 1984/1984KDX 200 (KDX200E) - 1989/1994KDX 200 (KDX200C) - 1986/1988KDX 200 (KDX200A) - 1983/1985KDX 200 (KDX200H) - 1995/2006KDX 220 R (KDX220R) - 1997/2005KX 250 (KX250B) - 1982/1982KX 250 F (KX250N) - 2004/2005KX 250 F (KX250T) - 2006/2008KX 250 F (KX250W) - 2009/2009KX 250 (KX250R) - 2005/2008KX 250 (KX250M) - 2003/2004KX 250 (KX250L) - 1999/2002KX 250 (KX250K) - 1994/1998KX 250 (KX250J) - 1992/1993KX 250 (KX250H) - 1990/1991KX 250 (KX250G) - 1989/1989KX 250 (KX250F) - 1988/1988KX 250 (KX250E) - 1987/1987KX 250 (KX250D) - 1985/1986KX 250 - 2023/2026KX 250 (KX252C) - 2022/2022KX 250 F (KX250X) - 2010/2010KDX 250 (KDX250D) - 1991/1994KX 250 X - 2023/2023 - 2025/2026KX 250 (KX252B) - 2020/2021KX 250 F (KX250Y) - 2011/2012KX 250 (KX252A) - 2019/2019KX 250 F (KX252A) - 2017/2018KX 250 F (KX250Z) - 2013/2016KX 250 (KX250C) - 1983/1984KX 450 F (KX450E) - 2009/2011KX 450 F (KX450F) - 2012/2015KX 450 F (KX450H) - 2016/2018KX 450 F (KX450D) - 2006/2008KX 450 X - 2023/2023 - 2025/2026KX 450 - 2023/2023 - 2025/2025KX 450 (KX450J) - 2019/2022KX 500 (KX500C) - 1987/1987KX 500 (KX500D) - 1988/1988KX 500 (KX500E) - 1989/2003