Vortex 525A-57 525-Pitch Aluminum Rear Sprocket 57-Tooth Silver

The Vortex 525A-57 is a 525-pitch, 57-tooth aluminum rear sprocket engineered for street and performance motorcycle applications. Manufactured by Vortex Racing — a U.S.-based company with over 15 years of experience producing top-quality motorcycle drivetrain components — this sprocket delivers the precision and durability demanded by serious riders and racers alike.

Constructed from a specially formulated aluminum alloy per Vortex's proprietary specifications, this rear sprocket offers a significant weight reduction over steel alternatives while maintaining the strength needed for high-performance riding. The classic silver finish complements a wide range of motorcycle styles.

Key Features:

• 525 pitch — compatible with 525-series drive chains
• 57-tooth rear sprocket for tuned gear ratio and acceleration characteristics
• Lightweight aluminum construction reduces unsprung and rotational mass
• Vortex patented tooth design increases sprocket longevity and reduces chain wear
• Manufactured to tight tolerances for precise chain engagement and smooth power transfer
• Silver anodized finish for a clean, corrosion-resistant appearance
• Developed with feedback from professional race teams worldwide

The Vortex 525A-57 is an ideal choice for riders looking to replace worn OEM gearing or fine-tune their motorcycle's power delivery. The 57-tooth count provides strong low-end torque and improved acceleration, making it well suited for both street and track use.