Vortex 827AZK-42 Aluminum Rear Sprocket 42 Tooth 520 Pitch

The Vortex 827AZK-42 is a high-performance aluminum rear sprocket designed for 520 pitch chain applications. This sprocket features 42 teeth and is manufactured from lightweight 7075-T6 aluminum alloy, offering an excellent balance of strength and weight reduction compared to steel sprockets.

Key Features:

• 42-tooth configuration for optimized gearing
• 520 pitch chain compatibility
• Constructed from durable 7075-T6 aluminum alloy
• CNC-machined for precision fit and performance
• Hard-anodized finish for enhanced wear resistance
• Lightweight design reduces unsprung weight
• CAT5 aluminum construction from Vortex 827 series

Vortex sprockets are engineered to meet or exceed OEM specifications and are a popular choice among sport bike riders and racers seeking reliable performance and weight savings. The hard-anodized surface treatment extends service life while the precision machining ensures smooth chain engagement and reduced wear.