Vortex 338CZB-48 Aluminum Rear Sprocket 520 48-Tooth Black with Machined Accents

The Vortex 338CZB-48 is a 48-tooth, 520-pitch aluminum rear sprocket finished in a striking black anodized with contrast machined accents. Engineered by Vortex Racing in the USA, this sprocket is built to meet the demands of competitive road racing, track days, and high-performance street riding.

Key Features:

• 48-Tooth / 520 Chain Pitch — precise fitment for compatible 520-chain drive systems
• Black Anodized with Contrast Machined Accents (CZB) — corrosion-resistant finish with an aggressive, race-ready aesthetic
• 100% CNC Manufactured in the USA — machined to the tightest tolerances for concentricity and durability
• Specially Formulated Aluminum Alloy — lightweight construction reduces rotating mass for improved acceleration and handling response
• Patented Vortex Tooth Design — unique saber-tooth groove profile increases sprocket longevity and chain engagement
• Lightening Holes — strategically placed cutouts further reduce unsprung weight without sacrificing structural integrity

Vortex Racing sprockets are trusted by professional race teams and top champions worldwide. When replacing this sprocket, always replace the chain and front sprocket simultaneously to ensure proper wear and drivetrain performance.