Vortex 193AZKV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 193AZKV4-45 is a high-performance aluminum rear sprocket from Vortex Racing's VTX series, engineered for riders demanding precision, durability, and reduced rotating mass. Machined from lightweight 7075 aluminum alloy, this sprocket delivers excellent strength-to-weight ratio compared to steel alternatives, making it a popular upgrade for sport, track, and performance street applications.

Key Features:

• 45-Tooth Count – Optimized tooth count for acceleration-focused gearing setups
• 7075 Aluminum Construction – High-grade alloy provides exceptional strength while significantly reducing unsprung and rotating weight
• VTX Series Design – Precision CNC-machined for consistent tooth geometry and smooth chain engagement
• Hard Anodized Finish – Resists corrosion and wear, extending service life under demanding conditions
• Lightening Cuts – Strategic material removal reduces overall sprocket weight without compromising structural integrity
• OEM-Style Bolt Pattern – Direct-fit replacement compatible with the specified fitment applications

The Vortex VTX aluminum rear sprocket is a trusted choice among sport bike and track-day enthusiasts seeking a direct-fit, performance-oriented replacement sprocket. Pair with a Vortex front sprocket and heavy-duty drive chain for a complete drivetrain upgrade.