Vortex 920AZR-38 VTX Aluminum Rear Sprocket 38T

The Vortex 920AZR-38 is a high-performance 38-tooth aluminum rear sprocket designed for motorcycles using a 520 chain pitch. Engineered by Vortex Racing — one of the most trusted names in powersports drivetrain components — this sprocket delivers a winning combination of lightweight construction and race-proven durability.

Key Features:

• 38 Teeth — precise tooth count for optimal gearing ratios
• 520 Chain Pitch — compatible with standard 520 chain systems
• Aircraft-grade aluminum construction — significantly lighter than steel sprockets for reduced unsprung weight
• Hard anodized finish — resists corrosion and wear for extended service life
• CNC machined — precision manufacturing ensures consistent fit and smooth chain engagement
• Direct OEM-style fitment — bolt-on installation with no modifications required

The Vortex AZR series rear sprocket is a popular upgrade for sport bike riders seeking to reduce drivetrain weight and fine-tune acceleration characteristics. Whether used on the street or track, the 920AZR-38 offers reliable performance and a clean, aggressive look to complement any build.