Vortex 610ZK-38 38-Tooth 520-Pitch Aluminum Rear Sprocket Black

The Vortex 610ZK-38 is a 38-tooth, 520-pitch aluminum rear sprocket finished in a hard black anodized coating. Engineered for performance-focused riders, this sprocket delivers a lightweight alternative to OEM steel units without sacrificing durability or chain compatibility.

Key Features:

• Lightweight Aluminum Construction: CNC-machined from a specially formulated aluminum alloy per Vortex specifications, significantly reducing unsprung and rotating mass
• Black Anodized Finish: Hard anodized black coating provides corrosion resistance and a durable, clean appearance
• 520 Chain Pitch: Designed for standard 520-pitch chain, compatible with OEM and aftermarket chain setups
• 38-Tooth Rear Sprocket: Optimized tooth count for a balance of acceleration and top-end performance
• Patented Tooth Design: Vortex's unique tooth profile reduces drag and friction to improve both acceleration and deceleration, while extending sprocket and chain life
• CNC Manufactured in the USA: 100% CNC-machined to tight tolerances ensuring precise concentricity and consistent fit
• Mud Grooves: Strategically placed grooves help clear debris during off-road and aggressive riding

Vortex Racing has been producing top-quality motorcycle and ATV racing components for over 15 years, with direct feedback from professional race teams worldwide. The 610ZK-38 is a proven performance upgrade for riders looking to reduce drivetrain weight and fine-tune their gearing.