Vortex 828AZK-37 Aluminum Rear Sprocket 37 Tooth 520 Pitch

The Vortex 828AZK-37 is a high-performance aluminum rear sprocket engineered for demanding motorcycle applications. Precision-machined from 7075-T6 aircraft-grade aluminum, this 37-tooth sprocket delivers exceptional strength while reducing rotational mass compared to steel alternatives.

Key Features:

• 37 teeth for optimized gearing ratio
• 520 pitch chain compatibility
• 7075-T6 aluminum construction for superior strength-to-weight ratio
• CNC-machined for precise tooth profile and perfect chain engagement
• Hard-anodized finish for enhanced durability and corrosion resistance
• Self-cleaning mud groove design prevents debris buildup
• Laser-etched tooth count marking for easy identification

Vortex sprockets are designed to meet or exceed OEM specifications while offering significant weight savings. The hard-anodized surface treatment provides extended wear life and maintains the sprocket's appearance even in harsh riding conditions. Ideal for street, track, and racing applications where reducing unsprung weight improves suspension performance and acceleration.