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Sprocket RFX Pro Series Elite Aluminium - 428

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RFX Pro Series Elite Aluminium - 428 SprocketRef : RFX00358A / 1123229008

50,00 ^€

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Description
Compatible motorbikes
Questions and answers

DescriptionRFX Pro Series Elite Aluminium - 428 Sprocket

Product details :

Features

Manufacturer's ref: FXRS 35-50 99BK

RFX Pro Series Elite sprocket made from 7075 aluminum, CNC machined for precise finishing and lightweight. Designed for motocross use, this 428 pitch sprocket with 50 teeth features an optimized CAD profile to reduce mass without sacrificing the rigidity necessary for power transfer. The surface is anodized in black and the RFX logo is laser engraved for a durable finish.

Material: 7075 aluminum, CNC machining
Number of teeth: 50 (428 pitch)
Finish: Black anodization, laser engraved logo
Design: CAD profile for lightweight, tight tolerances for better chain/sprocket performance
Terrain maintenance: Mud evacuation grooves to limit clogging and extend the lifespan of the chain and sprocket

Ideal for gearing adjustments focused on grip and acceleration on technical tracks, this standard sprocket offers a good compromise between strength and weight for amateur competition or intensive off-road sessions.

Examples of compatible models:

YAMAHA YZ 85 LW BIG WHEELS 19/16 (2026)
SUZUKI RM 85 STD WHEELS 17/14 (2023)
YAMAHA YZ 85 (2026)

Technical information :

Reference

RFX00358A / 1123229008

No transmission chain

428

Number of teeth (crown)

Type of crown

Standard

Number of teeth

50 teeth

Material

Aluminum

Color

Black

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