RFX Pro Series Elite Aluminium - 520 SprocketRef : RFX00378A / 1123231012

RFX Pro Series Elite Aluminum Sprocket - 520 (Manufacturer part number: FXRS 40-52 99RD)

Designed for motocross riders and roadster enthusiasts seeking a robust and lightweight component, this RFX Pro Series sprocket is CNC machined from 7075 aluminum and is offered here in red anodization. Its CAD profile and tight tolerances reflect a manufacturing process aimed at optimizing weight and the chain/sprocket interface.

• Material: 7075 aluminum, CNC machined
• Number of teeth: 52 (chain pitch: 520)
• Color: anodized red (RFX brand color code, standard silver version available)
• Mud evacuation grooves to limit accumulation and facilitate maintenance
• Laser-etched RFX logo, high-quality finish
• CAD profile and tight tolerances for precise geometry

An ideal replacement part for off-road use as well as more urban setups, this sprocket will help you maintain reliable transmission thanks to its thoughtfully designed construction. Compatible with several models, including:

• SUZUKI RM-Z 450 (2026)
• SUZUKI RM-Z 250 (2026)
• SUZUKI RMX 450 (2019)

Manufacturer part number FXRS 40-52 99RD — 520 sprocket, 52 teeth: an aesthetic and technical option to maintain your motorcycle's transmission.