Vortex 920ZK-34 VTX Aluminum Rear Sprocket Pitch Sprockets - 34-Tooth 520

The Vortex 920ZK-34 VTX Aluminum Rear Sprocket is a high-performance replacement rear sprocket engineered for riders who demand precision, durability, and reduced unsprung weight. Machined from lightweight 7075-T6 aluminum alloy and hard anodized for corrosion resistance, this sprocket delivers the strength needed for both street and track applications.

Key Features:

• 34-Tooth count for optimized acceleration and power delivery
• 520 chain pitch compatibility for broad fitment across sport and supersport platforms
• Lightweight 7075-T6 aluminum construction reduces unsprung rotational mass for improved handling response
• Hard anodized finish provides excellent wear resistance and corrosion protection
• CNC machined to tight tolerances for smooth, consistent chain engagement
• ZK series bolt pattern for direct OEM replacement fitment
• Manufactured by Vortex Racing, a trusted name in performance drivetrain components

The Vortex VTX series rear sprocket is an ideal upgrade for riders looking to replace a worn OEM sprocket or fine-tune their gearing ratio. Pair with a Vortex front sprocket and quality 520 chain for a complete drivetrain refresh.