Vortex 205ZB-57 Aluminum Rear Sprocket 520 Pitch 57-Tooth Silver

The Vortex 205ZB-57 is a high-performance aluminum rear sprocket engineered for riders seeking the perfect balance of lightweight construction and race-proven durability. This 57-tooth sprocket features 520 pitch sizing and is manufactured from aerospace-grade 7075 aluminum alloy for maximum strength-to-weight ratio.

Key Features:

• 57-tooth configuration for optimized gearing options
• 100% CNC machined in the USA to precise tolerances
• Specially formulated 7075 aluminum alloy per Vortex specifications
• Silver anodized finish with clear coating for corrosion resistance
• Vortex patented tooth design increases sprocket longevity
• Lightweight construction reduces rotating mass for improved acceleration
• 520 pitch - compatible with 520 pitch chains only

Vortex Racing sprockets are trusted by professional race teams worldwide and manufactured to the tightest tolerances in the industry. The unique tooth profile ensures optimal chain engagement and extended wear life compared to standard sprockets. Each sprocket undergoes rigorous quality control to deliver race-quality performance for both street and track applications.