Vortex 920AZK-45 VTX Aluminum Rear Sprocket Pitch Sprockets - 45-Tooth 520

The Vortex 920AZK-45 is a high-performance aluminum rear sprocket from Vortex Racing's VTX series, featuring a 45-tooth count and 520 chain pitch compatibility. Designed for the performance-minded rider, this sprocket delivers a great balance of acceleration and durability in a lightweight package.

Key Features:

• 45-Tooth Design – Optimized tooth count for enhanced low-end torque and improved acceleration
• Lightweight Aluminum Construction – CNC-machined 7075-T6 aluminum alloy reduces unsprung weight compared to steel sprockets
• Hard Anodized Finish – Provides corrosion resistance and extended wear life
• 520 Chain Pitch – Compatible with standard 520-series drive chains
• Precision CNC Machined – Tight tolerances ensure smooth power transfer and quiet operation
• Direct OEM Replacement – Bolt-on fitment with no modifications required

Vortex Racing is a trusted name in motorcycle drivetrain components, producing sprockets to exacting standards for street, track, and competition use. The VTX aluminum rear sprocket is an excellent upgrade or replacement choice for riders looking to reduce rotating mass and sharpen throttle response.