Vortex 617ZK-48 Aluminum Rear Sprocket Steel Carrier Sprockets - 48T

The Vortex 617ZK-48 is a high-performance rear sprocket featuring a lightweight 7075-T6 aluminum construction paired with a steel carrier insert for superior durability and long service life. Designed as a direct OEM replacement or performance upgrade, this sprocket delivers reliable power transfer and precise chain engagement for street and track applications.

Key Features:

• 48 Teeth — provides optimal gearing for acceleration and mid-range performance
• 7075-T6 Aluminum construction — high-strength, lightweight alloy for reduced unsprung weight
• Steel carrier hub insert — protects the sprocket interface and extends longevity
• Hard anodized finish — resists corrosion and wear for extended service life
• Precision CNC-machined for exact fitment and true running
• Compatible with standard motorcycle chain pitches for the application

Vortex Racing is a trusted name in motorcycle sprocket manufacturing, known for producing OEM-quality and race-grade components used by professional and amateur riders alike. The 617ZK-48 offers an excellent balance of weight savings and durability for demanding riding conditions.