Vortex 120ZR-51 Rear Sprocket 51-Tooth 520 Pitch

The Vortex 120ZR-51 is a high-performance 51-tooth rear sprocket engineered for sport and racing motorcycles. This sprocket features Vortex's CAT5 rear sprocket technology, constructed from 7075-T6 aluminum alloy for an optimal balance of strength and lightweight performance.

Key Features:

• 51-tooth configuration for 520 pitch chain applications
• CNC-machined from aerospace-grade 7075-T6 aluminum alloy
• Patented tooth profile design for extended sprocket and chain life
• Hard-anodized finish for superior wear resistance and corrosion protection
• Precision-engineered teeth reduce friction and improve power transfer
• Lightweight construction reduces unsprung weight for improved handling
• Self-cleaning mud grooves prevent debris buildup

Vortex sprockets are designed and manufactured to exacting standards, providing reliable performance for both street and track applications. The advanced tooth design helps maximize the life of both the sprocket and chain while maintaining smooth, consistent power delivery.