Vortex 338CZK-53 CAT5 Aluminum Rear Sprocket 520 Pitch 53T Black

The Vortex 338CZK-53 is a CAT5 aluminum rear sprocket featuring a 520 pitch and 53 teeth, finished in a black anodize with contrasting silver machine cuts. Designed as a direct performance upgrade over heavy OEM steel sprockets, it is 100% CNC-manufactured in the U.S.A. from a specially formulated aerospace-grade aluminum alloy per Vortex specifications.

Key Features:

• 53-tooth, 520-pitch rear sprocket for precise gearing customization
• Lightweight CAT5 aluminum construction — significantly reduces rotating mass compared to stock steel sprockets
• 100% CNC machined in the U.S.A. for consistent quality and dimensional accuracy
• Saber tooth groove design — Vortex's patented tooth profile increases sprocket longevity and improves chain engagement
• Black anodized finish with contrasting silver machined highlights for a premium appearance
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio

The Vortex CAT5 rear sprocket is engineered to reduce rotational mass and improve power transfer to the pavement, making it a popular choice for both street riders and track enthusiasts. The 53-tooth count provides a higher gear ratio for improved low-end torque and acceleration. Compatible with 520-pitch chains and designed for the specific carrier pattern of the 338 series fitment.