Vortex 427ZOV4-48 VTX Aluminum Rear Sprocket Pitch Orange Sprockets - 428 48-Tooth

The Vortex 427ZOV4-48 is a lightweight aluminum rear drive sprocket featuring a 428 chain pitch and 48-tooth count, finished in an eye-catching orange anodized coating. Engineered in the USA by Vortex Racing, this sprocket is a direct upgrade over heavy OEM steel units, delivering measurable performance gains for street and competition riders alike.

Vortex Racing sprockets are precision 100% CNC-machined from a specially formulated aluminum alloy to exacting tolerances, ensuring perfect concentricity for a smoother, quieter, and longer-lasting drivetrain. The signature Vortex patented tooth profile is engineered to reduce friction and chain wear, extending the service life of both the sprocket and chain.

Key Features:

• 428 Chain Pitch — Designed for 428-pitch drive chains
• 48-Tooth rear sprocket for tuned gearing ratios
• Lightweight aluminum construction — Significantly reduces rotating mass compared to steel sprockets
• Orange anodized finish for corrosion resistance and distinctive styling
• 100% CNC-manufactured in the USA to precise tolerances
• Patented Vortex tooth design for increased longevity and reduced drivetrain wear
• Weight-saving lightening holes to minimize unsprung rotating mass
• Improved concentricity for a stronger, quieter, longer-lasting sprocket

Upgrading to a Vortex aluminum rear sprocket is one of the most effective ways to reduce rotating mass, sharpen throttle response, and fine-tune your gearing. The orange anodized finish provides lasting corrosion protection while giving your drivetrain a premium, race-ready appearance.