Vortex 313ZB-41 Aluminum Rear Sprocket 41T Satin Black

The Vortex 313ZB-41 is a 41-tooth aluminum rear sprocket finished in a satin black anodized coating, engineered for riders who demand precision, durability, and performance from their drivetrain. Manufactured 100% in the USA, this sprocket is CNC-machined from a specially formulated aluminum alloy developed to Vortex's exacting specifications.

Key Features:

• 41-Tooth Rear Sprocket — allows fine-tuning of gear ratios for improved acceleration or top-end speed
• Satin Black Anodized Finish — corrosion-resistant coating provides lasting protection and a clean, aggressive look
• Lightweight Aluminum Construction — reduces rotating mass for improved throttle response and handling
• 100% CNC Machined in the USA — manufactured to the tightest tolerances for precise fit and concentricity
• Vortex Patented Tooth Design — unique tooth geometry maximizes sprocket longevity and chain engagement
• Specially Formulated Alloy — proprietary aluminum blend per Vortex specifications for optimal strength-to-weight ratio

Vortex Racing sprockets are the trusted choice of professional race teams and performance-oriented street riders alike. The 313ZB-41 is a direct-fit replacement or performance upgrade rear sprocket, compatible with the corresponding chain pitch for your application. Pair with a matching Vortex front sprocket and chain for a complete drivetrain upgrade.