Vortex 825A-41 Aluminum Rear Sprocket 520 Pitch 41-Tooth Silver

The Vortex 825A-41 is a premium 41-tooth aluminum rear sprocket designed for motorcycles running a 520 pitch chain. Engineered specifically for high-performance Marvic and Galespeed wheel carriers, this sprocket delivers race-proven reliability and precision fitment for serious street and track riders.

Key Features:

• Lightweight aluminum construction — reduces rotating mass for improved throttle response and handling
• 100% CNC machined in the USA — ensures precise tolerances and consistent quality
• Specially formulated alloy per Vortex specifications — optimized for strength and weight balance
• Silver anodized finish — resists corrosion and provides a clean, race-ready appearance
• Vortex patented unique tooth design — increases sprocket longevity and chain engagement
• 520 pitch chain compatibility — fits standard 520 chain width
• 41 teeth — provides a balance of top-end speed and mid-range pull

Fitment Specifications:

• Bolt Circle: 100mm
• Bolt Hole Diameter: 10.5mm
• Number of Bolt Holes: 6
• Hub Diameter: 80mm
• Compatible Wheel Carriers: Marvic, Galespeed

The Vortex 825A series is available in sizes ranging from 34 to 54 teeth, allowing riders to fine-tune their gearing for any application. The 825A-41 is the ideal choice for riders seeking a high-quality OEM-replacement or performance-upgrade sprocket built to exacting race standards.