Vortex 610-38 Silver 38-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 610-38 is a 38-tooth, 520-pitch aluminum rear sprocket finished in silver, engineered for motorcycle road racing, motocross, supercross, and street performance applications. Precision-manufactured by Vortex Racing — a U.S.-based company owned and operated by motorcycle racers — this sprocket delivers the tight tolerances and premium materials demanded by professional and enthusiast riders alike.

Key Features:

• 520 Pitch — compatible with standard 520-size chain for OEM replacements or suitable pitch conversions
• 38-Tooth rear sprocket for optimized gear ratio tuning
• CNC-machined aluminum construction — made to precise specifications ensuring concentricity and durability
• Lightening holes reduce rotating mass for improved acceleration response
• Silver anodized finish with clear coating for a bright, lasting appearance
• Vortex patented tooth design for extended sprocket longevity
• Tested on the track with feedback from top professional race teams worldwide

Vortex rear sprockets are a trusted choice for riders looking to fine-tune their motorcycle's gearing, whether for more low-end torque, higher top speed, or reduced drivetrain weight. The 610-38 is a direct replacement for motorcycles running a 520-pitch chain and is available as part of a complete sprocket and chain upgrade.