Vortex 316ZO-49 Aluminum Rear Sprocket Pitch Orange Sprockets - CAT5 520 49-Tooth

The Vortex 316ZO-49 is a lightweight CAT5 aluminum racing rear sprocket designed for riders who demand performance and precision. Featuring a 520 pitch and 49 teeth, this sprocket is finished in a vibrant orange anodize with contrasting silver machine cuts on the sweeps, mud grooves, and teeth — delivering a bold, race-ready look alongside genuine performance gains over heavy OEM steel sprockets.

Key Features:

• 520 Pitch / 49-Tooth rear sprocket in orange anodized finish
• Lightweight CAT5 aerospace-grade aluminum construction — significantly reduces rotational weight vs. OEM steel
• 100% CNC manufactured in the USA to exacting tolerances
• Specially formulated alloy developed to Vortex's own material specifications
• Saber tooth groove design — Vortex's patented tooth profile promotes longer sprocket life and smoother chain engagement
• Color anodizing applied to body panels while leaving sweeps, mud grooves, and teeth in bright silver for a high-contrast appearance
• Available in multiple colors (red, blue, gold/orange, and black) — color availability varies by application

Engineered and manufactured in the United States, the Vortex CAT5 series is a trusted upgrade for street and track riders looking to reduce unsprung and rotational weight while adding a premium aesthetic to their drivetrain.