Vortex 245AZB-45 CAT5 Aluminum Rear Sprocket Black 45-Tooth 520-Pitch

The Vortex 245AZB-45 is a CAT5 lightweight aluminum rear sprocket featuring a 45-tooth count, 520 chain pitch, and a striking black anodized finish with contrasting silver machined highlights. Designed for serious street and track riders, this sprocket delivers a measurable performance advantage over heavier OEM alternatives.

Key Features:

• CAT5 Lightweight Aluminum Construction — Reduces rotating mass for improved throttle response and acceleration
• 520-Pitch, 45-Tooth — Direct-fit replacement compatible with 520-pitch drive chains
• Black Anodized Finish — Color anodizing with contrasting silver machined cuts on sweeps and mud grooves for a distinctive appearance
• 100% CNC Manufactured in the USA — Precision machined to the tightest tolerances
• Specially Formulated Alloy — Material developed to Vortex's proprietary specifications for strength and longevity
• Vortex Patented Tooth Design — Unique tooth geometry engineered to extend sprocket service life
• Improved Performance — Enhances acceleration, deceleration, and directional changes over stock sprockets

Vortex Racing has been manufacturing top-quality motorcycle racing components in the USA for over 15 years, with products trusted by professional race teams worldwide. The 245AZB-45 is an ideal upgrade for riders looking to reduce drivetrain weight and sharpen throttle response.