Vortex 110BZK-40 CAT5 Rear Sprocket 40 Tooth 520 Pitch

The Vortex 110BZK-40 is a high-performance CAT5 rear sprocket designed for serious street and track riders. This 40-tooth sprocket is engineered from aerospace-grade 7075-T6 aluminum alloy, offering an optimal balance of strength and light weight for improved acceleration and reduced rotating mass.

Key Features:

• CAT5 construction using 7075-T6 aluminum for maximum strength-to-weight ratio
• Black zinc finish provides enhanced corrosion resistance and distinctive appearance
• 520 pitch chain compatibility for performance applications
• 40-tooth configuration for optimized gearing
• CNC-machined for precise tolerances and perfect chain alignment
• Steel retention plate included for secure mounting
• Designed and manufactured to Vortex Racing's exacting quality standards

Vortex CAT5 sprockets feature a unique construction that bonds the aluminum sprocket teeth to a steel center carrier, combining the lightweight benefits of aluminum with the durability of steel where it matters most. This design delivers extended service life while maintaining the performance advantages of a lightweight sprocket.