Vortex 525AZB-45 Black 45-Tooth 525-Pitch Steel Rear Sprocket

The Vortex 525AZB-45 is a 45-tooth, 525-pitch black steel rear sprocket engineered for street and road racing motorcycle applications. Manufactured to precise tolerances from high-quality carbon steel, this sprocket delivers the durability and reliability that Vortex Racing is known for across competitive and street riding environments.

Key Features:

• 525 Pitch: Compatible with standard 525-pitch drive chains used on a wide range of sport and street motorcycles
• 45-Tooth Count: Optimized gearing for strong mid-range acceleration and responsive throttle feel
• Carbon Steel Construction: Provides excellent strength and resistance to wear under high-load conditions
• Electroplated Satin Black Finish: Corrosion-resistant coating protects against the elements and maintains a clean, stealth appearance
• Hardened Teeth: Case-hardened tooth profile extends sprocket service life even under demanding riding conditions
• Lightening Holes: Strategically drilled to reduce rotating mass without sacrificing structural integrity
• CNC Precision Manufacturing: Produced in the USA to exacting standards for consistent fitment and concentricity

Vortex Racing has over 15 years of experience supplying drivetrain components trusted by professional race teams in Supercross, Road Racing, and Flat Track disciplines. The 525AZB-45 is the ideal replacement or performance upgrade sprocket for riders who demand OEM-or-better quality in a proven steel sprocket.