Vortex 427AZR-40 Aluminum Rear Sprocket Chain Pitch Sprockets - 40T 428

The Vortex 427AZR-40 is a high-performance aluminum rear sprocket designed as a direct OEM replacement or performance upgrade for compatible motorcycles. Featuring a 40-tooth count and engineered for use with 428 chain pitch, this sprocket delivers precise power transfer and reliable drivetrain performance.

Key Features:

• 40 Teeth — optimized tooth count for balanced acceleration and top-speed characteristics
• 428 Chain Pitch — compatible with standard 428-series drive chains
• Lightweight Aluminum Construction — reduces unsprung weight for improved handling and throttle response
• CNC Machined — precision manufacturing ensures consistent tooth profile and long service life
• Hard anodized finish for enhanced corrosion and wear resistance
• Direct bolt-on fitment for compatible applications

Vortex Racing is a trusted name in motorcycle drivetrain components, manufacturing sprockets to exacting tolerances for both street and track use. The 427AZR-40 is an ideal choice for riders seeking a quality aluminum rear sprocket replacement.