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Sprocket RFX Pro Series Trials Aluminium - 520

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RFX Pro Series Trials Aluminium - 520 SprocketRef : RFX00512A / 1123249007

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Description
Compatible motorbikes
Questions and answers

DescriptionRFX Pro Series Trials Aluminium - 520 Sprocket

Product details :

Features

RFX Pro Series Trials Aluminum Sprocket - 520 (Manufacturer Part No: FXRS 90-42 99RD)

Designed for trial and motocross riders seeking lightweight and reliability, this RFX Pro Series sprocket features 42 teeth with a 520 pitch and a red anodized finish. CNC machined from 7075 aluminum, it combines an optimized CAD profile and mud evacuation grooves to minimize chain buildup and extend the lifespan of the transmission.

Material: CNC machined 7075 aluminum.
Number of Teeth: 42 (520 pitch).
Finish: red anodization, laser-engraved RFX logo.
Design: CAD profile for weight reduction and tight tolerances.
Maintenance: mud evacuation grooves to limit buildup and premature wear.
Compatibility: color-coded by model, available for many Cross/Trial models.

Robust and lightweight standard part, suitable for installation on 520 transmissions. Ideal for riders who want to maintain sharp chain response without adding weight to the rear wheel.

Frequently Compatible Motorcycles:

GAS GAS TXT PRO 125 (2006)
GAS GAS TXT PRO 280 (2002)
GAS GAS TXT PRO 250 (2002)

Technical information :

Reference

RFX00512A / 1123249007

No transmission chain

520

Number of teeth (crown)

Type of crown

Standard

Number of teeth

42 teeth

Material

Aluminum

Color

Red

Compatible motorbikes

GAS-GAS7 compatible models

TXT PRO 125 - 2001/2006TXT PRO 250 - 2001/2002TXT PRO 280 - 2000/2002CONTACT TX 320 - 1998/1998CONTACT JTX 320 - 1997/1997TXT 321 - 2000/2001TRIAL 327 - 1990/1991