Vortex 120BZB-40 Rear Sprocket 40 Tooth 520 Pitch

The Vortex 120BZB-40 is a high-quality rear sprocket designed for 520 pitch chain applications. Constructed from heat-treated steel with a zinc plating finish, this sprocket delivers excellent durability and corrosion resistance for street and track use.

Key Features:

• 40 tooth configuration for optimized gearing
• Heat-treated steel construction for maximum strength and wear resistance
• Zinc-plated finish provides corrosion protection
• 520 pitch chain compatibility
• Precision CNC machined for accurate chain engagement
• Computer-designed tooth profile ensures smooth power transfer

Vortex sprockets are manufactured to strict tolerances and undergo rigorous quality control testing. This rear sprocket is an excellent replacement or upgrade option for riders looking to modify final drive ratios or replace worn components.