Vortex 523-65 Silver 65-Tooth Rear Sprocket

The Vortex 523-65 is a silver anodized aluminum rear sprocket featuring a 65-tooth count designed for 520-pitch chain applications. Built by Vortex Racing — a U.S.-based manufacturer with deep roots in professional motorsport — this sprocket delivers the precision and durability demanded by serious riders on the street and track.

Key Features:

• Patented tooth profile — Vortex's unique tooth geometry is engineered to extend sprocket service life and improve chain engagement
• Aerospace-grade aluminum construction — lightweight design reduces rotational mass for improved throttle response and power transfer
• Silver anodized finish — provides corrosion resistance and a clean, aggressive appearance
• Precision machined — manufactured to tight tolerances for consistent fitment and smooth chain operation
• 520-pitch chain compatible — designed for use with standard 520 drive chains
• 65-tooth rear sprocket — higher tooth count provides increased low-end torque and acceleration

Vortex Racing components are tested on the track with feedback from top professional race teams worldwide, ensuring every sprocket meets the demands of both competitive racing and everyday performance riding.