Vortex 642CZUV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 642CZUV4-45 is a high-performance aluminum rear sprocket from Vortex Racing's VTX series, engineered for riders who demand precision, lightweight performance, and durability. Designed as a direct OEM replacement or performance upgrade, this sprocket delivers reliable power transfer from chain to wheel on compatible motorcycles and powersports applications.

Key Features:

• 45-Tooth Rear Sprocket – Optimized tooth count for the ideal balance of acceleration and top-end speed
• Lightweight Aluminum Construction – CNC-machined from high-grade aluminum alloy, dramatically reducing unsprung and rotating weight compared to steel sprockets
• VTX Series Design – Vortex's VTX line features precision-cut teeth geometry for smooth, consistent chain engagement and reduced wear
• Hard Anodized Finish – Provides excellent corrosion resistance and extends sprocket service life
• CNC Machined Precision – Tight manufacturing tolerances ensure proper fitment and concentric alignment for vibration-free operation
• Direct Bolt-On Installation – Engineered to match OEM bolt pattern and carrier specifications for straightforward installation

Vortex Racing is a trusted name in the powersports and motorcycle racing community, known for producing competition-grade drivetrain components. The 642CZUV4-45 rear sprocket is an excellent upgrade for street riders and track enthusiasts looking to reduce rotating mass and improve drivetrain efficiency without sacrificing durability.