Vortex 3770-17 Steel Front Countershaft Sprocket Sprockets - 17-Tooth

The Vortex 3770-17 is a 17-tooth steel front countershaft (drive) sprocket engineered for high-performance motorcycle applications. Built to Vortex Racing's exacting standards, this sprocket is manufactured from high-carbon steel and treated with Vortex's proprietary nickel plating process for superior corrosion resistance and long service life.

Key Features:

• 17-Tooth Front Countershaft Sprocket for precise gear ratio tuning
• High-carbon steel construction for maximum strength and durability
• Vortex nickel plating to resist corrosion and extend service life
• Induction hardened surface to minimize wear under demanding conditions
• Precision-machined tolerances to ensure concentricity and smooth, quiet chain engagement
• Drilled lightening holes on applicable fitments to reduce rotating mass

Vortex Racing sprockets are trusted by professional racers and performance riders worldwide. The 3770-17 is a direct-fit replacement that installs using standard hand tools and requires no modification. Whether upgrading from a worn OEM sprocket or fine-tuning your drive ratio for track or street use, the Vortex 3770-17 delivers race-proven reliability.