Vortex 203BZK-39 Aluminum Rear Sprocket 39-Tooth

The Vortex 203BZK-39 is a high-performance aluminum rear sprocket designed for motorcycle applications. This precision-engineered sprocket features 39 teeth and is constructed from lightweight 7075-T6 aluminum alloy, offering an excellent strength-to-weight ratio for improved acceleration and reduced unsprung weight.

Key Features:

• 39-tooth configuration for optimized gearing performance
• Manufactured from durable 7075-T6 aluminum alloy
• CAD-designed tooth profile for extended chain life and reduced wear
• Hard-anodized finish for corrosion resistance and durability
• Precision CNC-machined for exact fitment and balance
• Lighter weight than steel sprockets for improved performance

Vortex sprockets are known for their patented tooth design that increases longevity and provides consistent power transfer. The 203BZK series is engineered to meet or exceed OEM specifications while offering the performance advantages of aftermarket construction. This sprocket is ideal for riders seeking to optimize their motorcycle's gearing for track days, street riding, or general performance upgrades.