Vortex 825ZBV4-45 Aluminum Rear Sprocket 525 Pitch 45T

The Vortex 825ZBV4-45 is a high-performance 45-tooth aluminum rear sprocket designed for motorcycles running a 525 pitch chain. Machined from lightweight 7075-T6 aerospace-grade aluminum, this sprocket delivers a significant weight savings over stock steel sprockets without sacrificing durability under demanding riding conditions.

Vortex sprockets are precision CNC-machined to exacting tolerances, ensuring smooth chain engagement and consistent power transfer from the engine to the rear wheel. The anodized finish provides corrosion resistance and a clean appearance that holds up to the elements.

Key Features:

• 45 Teeth — bolt-on gearing change for tuned acceleration or top-speed balance
• 525 Chain Pitch — compatible with 525-series chains
• Lightweight Aluminum Construction — CNC-machined from high-strength aluminum alloy for reduced unsprung weight
• Anodized Finish — resists corrosion and wear for long service life
• Precision CNC Machined — tight tolerances for smooth, quiet chain operation
• Direct Bolt-On Fit — ZBV4 carrier pattern matches OEM hub specifications

Whether you're fine-tuning gearing for track days or street riding, the Vortex 825ZBV4-45 rear sprocket is a proven upgrade trusted by racers and enthusiasts worldwide.