Vortex 427AZK-42 42-Tooth 530-Pitch Aluminum Rear Sprocket

The Vortex 427AZK-42 is a premium aluminum rear sprocket designed for high-performance motorcycles requiring 530 pitch chain systems. Precision-machined from aerospace-grade 7075-T6 aluminum, this 42-tooth sprocket delivers exceptional strength while significantly reducing rotating mass compared to steel sprockets.

Key Features:

• 42-tooth configuration for 530 pitch chains
• CNC-machined from aerospace-grade 7075-T6 aluminum alloy
• Hardcoat anodized finish for enhanced durability and corrosion resistance
• Drilled lightening holes reduce rotational weight
• Precision tolerances ensure proper concentricity and smooth power transfer
• Advanced tooth profile design extends sprocket and chain life
• Significant weight savings over OEM steel sprockets

Vortex sprockets are manufactured to the tightest tolerances in the industry and are trusted by professional race teams worldwide. The hardcoat anodized finish bonds to the aluminum surface, creating a durable, low-friction coating that resists wear and corrosion. Each sprocket undergoes rigorous quality control to ensure perfect fitment and optimal performance on the street or track.