Vortex 920-36 VTX Aluminum Rear Sprocket Pitch Sprockets - 36-Tooth 920

The Vortex 920-36 is a lightweight aluminum rear sprocket designed for motorcycles running a 920 pitch chain. Featuring a 36-tooth configuration, this sprocket is manufactured in the USA by Vortex Racing — a brand trusted by professional race teams across Motocross, Supercross, Road Racing, and Flat Track disciplines.

Key Features:

• 100% CNC machined from aerospace-grade aluminum alloy for precision tolerances and consistent performance
• Anodized finish resists corrosion and wear for long service life
• Unique saber tooth groove design — Vortex patent-pending profile engineered for improved chain engagement and sprocket longevity
• Lightweight construction reduces rotating mass compared to OEM steel sprockets, contributing to improved acceleration and throttle response
• Weight-saving cutouts further minimize unsprung rotating weight without sacrificing structural integrity
• 36-tooth rear sprocket for fine-tuning final drive gearing to match riding style or track conditions
• 920 chain pitch — must be used with a matching 920 pitch chain and front sprocket
• Made in the U.S.A.

Vortex aluminum sprockets are engineered to the tightest tolerances using specially formulated alloys per Vortex specifications. Whether you're optimizing for low-end torque or top-end speed, the 920-36 rear sprocket delivers race-proven performance for serious riders.