At DMG Motorsports, we present the Vortex Aluminum Rear Sprocket 38T-520 in Silver (211-38) — a race-proven upgrade built for riders who demand strength, precision, and reduced rotating mass without compromise. Vortex has long been considered the "Standard" in the race industry, and this sprocket carries that reputation into every corner and every launch. Machined to exacting tolerances and engineered specifically for 520-pitch chain conversions, this sprocket delivers the light weight and durability that serious riders and racers rely on.

Designed as a direct-fit performance replacement, this 38-tooth sprocket is CNC machined from 7075 aluminum for amazing strength and light weight, shedding unnecessary rotational mass compared to heavier OEM steel sprockets. An aluminum sprocket is much lighter compared to OEM steel sprockets and this leads to reduced rotating mass and allows for improved acceleration and handling. Vortex backs this sprocket with decades of race-team feedback, ensuring it holds up to real-world abuse while keeping your drivetrain light and responsive.

Features:

• CNC machined from 7075 aluminum for outstanding strength-to-weight performance
• 38-tooth, 520-pitch configuration for precise chain engagement
• Durable silver anodized finish for corrosion resistance and a clean, race-ready look
• Unique tooth design engineered to increase sprocket longevity and reduce wear
• 100% CNC machined with saber tooth grooves and a Vortex patent pending design
• Reduced rotating mass compared to steel sprockets for improved acceleration and handling
• Trusted and tested by some of the world's most respected champions and teams
• Manufactured to tight tolerances for consistent, reliable fitment

Fitment