Vortex 177ZR-44 Aluminum Rear Sprocket 520 Pitch 44-Tooth

The Vortex 177ZR-44 is a 44-tooth, 520-pitch aluminum rear sprocket built to the exacting standards that have made Vortex Racing the preferred choice of professional road racers and serious street riders alike. Manufactured in the USA since 1995, Vortex sprockets are engineered for riders who demand race-proven performance and durability from their drivetrain components.

Key Features:

• 520 Pitch — Compatible with 520-series chains for optimal drivetrain efficiency
• 44 Teeth — Balances acceleration response and top-end performance
• 100% CNC Machined — Manufactured in the USA to the tightest tolerances in the industry
• Specially Formulated Aluminum Alloy — Vortex proprietary alloy specification for maximum strength-to-weight ratio
• Silver Anodized Finish — Corrosion-resistant anodizing protects the sprocket surface and extends service life
• Unique Tooth Profile — Vortex patented tooth design reduces wear and increases sprocket longevity
• Lightweight Construction — Reduces rotating mass for improved throttle response and power delivery

Vortex rear sprockets are track-tested with direct feedback from top professional race teams worldwide, ensuring each part performs under the most demanding conditions. The 177ZR-44 is an ideal choice for riders looking to maintain or fine-tune gearing with a dependable, race-quality rear sprocket.