Vortex 526AZBV4-43 Aluminum Rear Sprocket 520 Pitch 43-Tooth Black Anodized

The Vortex 526AZBV4-43 is a 43-tooth, 520-pitch aluminum rear sprocket designed for serious street and track riders seeking a lightweight, precision-engineered drivetrain upgrade. Vortex Racing is a U.S.-based manufacturer that has been producing top-quality motorcycle racing components for over 15 years, owned and operated by motorcycle racers and enthusiasts who focus on absolute quality and manufacture each component to the tightest tolerances with the best quality materials in the industry.

Key Features:

• 7075 T6 Billet Aluminum Construction: Vortex manufactures their sprockets from incredibly durable 7075 T6 aluminum, CNC machined so each sprocket has an unrivaled level of precision — and because of those tight tolerances, many riders report that Vortex aluminum sprockets have a lifespan that rivals some steel sprockets.
• Black Anodized Finish with Machined Accents: Available with contrasting silver machine cuts for a distinctive, race-inspired appearance.
• Gunk-Clearing Groove Design: The clear anodized finish and gunk-clearing grooves between each tooth help keep harmful elements at bay for lasting performance.
• Reduces Rotating Mass: Vortex Racing rear aluminum sprockets are the racer's choice — their lightweight construction reduces rotating mass and aids in putting more power to the pavement.
• 100% CNC Manufactured in the USA: Machined from a specially formulated alloy per Vortex specifications.
• Patented Tooth Design: Vortex's unique tooth design increases sprocket longevity.
• 520 Chain Pitch — compatible with standard and converted 520 drivetrain setups
• 43 Teeth — stock-replacement or gearing-change option depending on application

Whether you're hitting the track or upgrading your street bike's drivetrain, the Vortex 526AZBV4-43 rear sprocket delivers the precision, durability, and weight savings that competitive riders demand. Vortex tests on the track with direct feedback from top professional race teams worldwide, and their parts have been proven by some of the world's most respected champions and teams.