Vortex 438ZLV4-48 Aluminum Rear Sprocket Chain Sprockets - 48T 428

The Vortex 438ZLV4-48 is a 48-tooth aluminum rear sprocket from Vortex Racing's ZL (Zero-Loss) V4 series, designed for motorcycles running a 428 pitch chain. Machined from high-grade 7075 aluminum, this sprocket delivers a significant weight savings over stock steel sprockets without sacrificing durability or performance.

Key Features:

• 48 teeth — optimized for aggressive acceleration and performance riding
• 428 chain pitch compatible
• Machined from lightweight 7075 aluminum for reduced unsprung weight
• Hard anodized finish for enhanced corrosion resistance and long service life
• Precision CNC machined for consistent chain engagement and smooth power delivery
• Drop-in replacement with OEM-style bolt pattern for straightforward installation
• Part of Vortex's ZLV4 series — a proven choice among sport and track riders

The Vortex 438ZLV4-48 rear sprocket is an ideal upgrade for riders looking to improve throttle response and reduce rotating mass on their motorcycle. Vortex Racing is a trusted name in performance drivetrain components, known for tight tolerances and race-proven reliability.