Vortex 511B-49 Silver 49-Tooth 520 Rear Sprocket

The Vortex 511B-49 is a lightweight aluminum rear sprocket designed for 520 pitch chains with 49 teeth. This silver finished sprocket is part of Vortex Racing's standard aluminum line, offering an excellent balance of performance and durability for street and track applications.

Key Features:

• 100% CNC manufactured from specially formulated aluminum alloy per Vortex specifications
• 49 tooth count for 520 pitch chain applications
• Silver anodized finish resists corrosion and wear
• Lightweight design reduces rotating mass for improved acceleration
• Vortex patented tooth design increases sprocket longevity
• Precision machined for accurate chain alignment and reduced wear
• Saber tooth grooves help clear debris and maintain optimal chain engagement

Vortex aluminum sprockets are manufactured from durable 7075 T6 aluminum and CNC machined to tight tolerances, providing a lifespan that rivals many steel sprockets while significantly reducing weight. The silver anodized finish provides excellent corrosion resistance while the unique tooth profile design maximizes chain engagement and extends component life.