Vortex 251AZOV4-48 Aluminum Rear Sprocket 48-Tooth

The Vortex 251AZOV4-48 is a high-performance 48-tooth aluminum rear sprocket engineered for riders seeking a lightweight, durable upgrade over OEM steel sprockets. Manufactured by Vortex Racing, a trusted name in aftermarket powersports drivetrain components, this sprocket is CNC-machined from high-grade aluminum for exceptional strength-to-weight savings.

Key Features:

• 48-Tooth Configuration – Provides optimized final drive gearing for acceleration and low-to-mid range power delivery
• CNC-Machined Aluminum Construction – Lightweight design reduces unsprung rotational mass for improved handling and throttle response
• Hard Anodized Finish – Corrosion-resistant anodized coating extends sprocket service life and maintains appearance
• Precision Tooth Profile – Engineered tooth geometry ensures smooth, consistent chain engagement and reduced wear
• OEM-Style Fitment – Direct bolt-on replacement requiring no modifications
• Vortex OV4 Carrier Design – Compatible with Vortex's modular sprocket carrier system for easy future tooth count changes

The Vortex 251AZOV4-48 rear sprocket is an ideal choice for street and track riders looking to fine-tune their gearing setup. The aluminum construction delivers significant weight reduction compared to standard steel sprockets, contributing to quicker acceleration feel and reduced chain fatigue. Pair with a Vortex front sprocket and chain for a complete drivetrain solution.