Vortex 438ZLV4-47 Aluminum Rear Sprocket 47T 428 Pitch

The Vortex 438ZLV4-47 is a high-performance 47-tooth aluminum rear sprocket designed for motorcycles running a 428 pitch chain. Engineered by Vortex Racing — a trusted name in motorsport and street performance drivetrain components — this sprocket delivers a perfect balance of reduced unsprung weight and reliable power transfer.

Constructed from lightweight, high-strength aluminum, this sprocket reduces rotational mass compared to steel alternatives, contributing to improved throttle response and overall drivetrain efficiency. The precision-machined teeth provide consistent chain engagement and extended service life when paired with a quality 428 chain.

Key Features:

• 47-tooth rear sprocket for tunable final drive gearing
• 428 pitch chain compatibility
• Lightweight aluminum construction reduces unsprung rotational mass
• Precision CNC machined for accurate tooth profile and fitment
• Part of Vortex's ZLV4 series — designed for performance street and track applications
• Anodized finish for corrosion resistance and durability

The Vortex 438ZLV4-47 is an ideal upgrade or replacement sprocket for riders looking to fine-tune their gearing ratio or shed weight from the drivetrain without sacrificing strength or reliability.