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Transmissions

Sprocket RFX Pro Series Trials Aluminium - 520

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RFX Pro Series Trials Aluminium - 520 SprocketRef : RFX00521A / 1123250004

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Description
Compatible motorbikes
Questions and answers

DescriptionRFX Pro Series Trials Aluminium - 520 Sprocket

Product details :

Features

The RFX Pro Series Trials sprocket made from 7075 aluminum is designed for motocross and trials riders seeking lightweight and durability. CNC machined and anodized in silver, it combines an optimized CAD profile for weight reduction with a rigid design that limits torsional deformation. The mud evacuation grooves facilitate cleaning and contribute to more even wear of the chain and sprocket in muddy conditions.

Manufacturer part number: FXRS 91-39 99SV
Brand: RFX
Material: CNC machined 7075 aluminum
Number of teeth: 39 teeth
Chain pitch: 520
Color: Anodized silver
Finish: Laser-etched RFX logo, mud grooves
Type: Standard (Pro Series Trials)

Designed to withstand the stresses of the terrain, this sprocket is aimed at motocross, enduro, and trials riders looking for a reliable and lightweight component to enhance torque transmission without compromising strength. Examples of compatibility with recent models: BETA EVO 300 2T SS (2023), SHERCO 300 ST FACTORY (2022), GAS GAS TXT 300 RACING (2019).

Technical information :

Reference

RFX00521A / 1123250004

No transmission chain

520

Number of teeth (crown)

Type of crown

Standard

Number of teeth

39 teeth

Material

Aluminum

Color

Silver

Compatible motorbikes

GAS-GAS21 compatible models

TXT PRO 250 EDITION - 2003/2003TXT PRO 250 RACING - 2013/2016TXT PRO 250 REPLICA RAGA - 2010/2012TXT PRO 250 REPLICA - 2013/2014TXT 250 GP - 2018/2019TXT 250 RACING - 2018/2019TXT PRO 250 - 2002/2014TXT 280 GP - 2018/2018TXT 280 RACING - 2018/2018TXT PRO 280 ROJA - 2009/2009TXT PRO 280 - 2000/2014TXT PRO 280 REPLICA RAGA - 2010/2012TXT PRO 280 RACING - 2011/2017TXT PRO 280 REPLICA - 2013/2014TXT PRO 280 EDITION - 2003/2003TXT PRO 300 REPLICA - 2013/2014TXT PRO 300 - 2004/2014TXT PRO 300 REPLICA RAGA - 2005/2012TXT 300 GP - 2018/2019TXT 300 RACING - 2018/2019TXT PRO 300 RACING - 2010/2017

BETA13 compatible models

EVO 125 2T - 2009/2015EVO 125 2T FACTORY - 2011/2015REV 3 200 2T - 2005/2008EVO 250 2T - 2009/2012EVO 250 2T FACTORY - 2011/2012REV 250 4T - 2007/2008REV 3 250 2T - 2003/2008REV 3 270 2T - 2003/2008EVO 300 2T FACTORY - 2011/2020EVO 300 2T - 2012/2023EVO 300 4T - 2022/2022EVO 300 2T SS FACTORY - 2017/2018EVO 300 2T SS - 2017/2023

SHERCO6 compatible models