Vortex 780ZK-42 VTX Aluminum Rear Sprocket 42T

The Vortex 780ZK-42 is a high-performance 42-tooth aluminum rear sprocket from Vortex Racing's VTX series, engineered for motorcycle applications where reduced unsprung weight and precision chain engagement are critical. Machined from aircraft-grade aluminum alloy, this sprocket delivers an excellent strength-to-weight ratio compared to stock steel alternatives.

Key Features:

• 42-tooth rear sprocket configuration for optimized acceleration and gear ratio tuning
• Manufactured from lightweight aluminum alloy for reduced rotating mass
• Hard anodized finish for enhanced durability and corrosion resistance
• CNC-machined to precise tolerances for smooth, consistent chain engagement
• Lightening holes reduce overall weight without compromising structural integrity
• Part of Vortex's proven VTX sprocket series

The Vortex 780ZK-42 is a popular choice for street and track riders looking to fine-tune their motorcycle's power delivery. Aluminum sprockets are best paired with a high-quality chain and are ideal for riders who frequently swap gearing setups. Manufacturer Part Number: 780ZK-42.