Vortex 144AZOV4-40 Aluminum Rear Sprocket 40-Tooth

The Vortex 144AZOV4-40 is a high-performance 40-tooth aluminum rear sprocket engineered for motorcycle applications where weight savings and durability are paramount. Vortex is a trusted name in the powersports industry, manufacturing precision-machined sprockets to OEM and aftermarket specifications.

This rear sprocket is CNC-machined from high-grade 7075-T6 aluminum alloy, providing an excellent strength-to-weight ratio over heavier steel alternatives. The hard-anodized finish resists corrosion and wear, extending service life even under demanding track and street riding conditions.

Key Features:

• 40-tooth rear sprocket for optimized gear ratio tuning
• CNC-machined from lightweight 7075-T6 aluminum alloy
• Hard-anodized surface finish for corrosion and wear resistance
• Precision-cut tooth profile for smooth, quiet chain engagement
• Direct OEM-style fit — no modifications required
• Significant weight reduction compared to steel sprockets

Vortex sprockets are manufactured to strict tolerances and are a popular choice among both competitive racers and performance street riders looking to fine-tune acceleration and top-speed characteristics. Replace as part of a complete chain and sprocket service for best results.