Vortex 825KV4-43 Aluminum Rear Sprocket 43-Tooth

The Vortex 825KV4-43 is a 43-tooth aluminum rear sprocket designed for high-performance motorcycle applications. Engineered to exacting tolerances, this sprocket is part of Vortex's popular KV4 series, delivering a lightweight alternative to steel sprockets without sacrificing strength or durability.

Key Features:

• 43-Tooth rear sprocket configuration for optimized gear ratio tuning
• Precision-machined from high-strength 7075 aluminum alloy for reduced unsprung weight
• Hard anodized finish for corrosion resistance and extended wear life
• CNC-machined for tight tolerances and consistent chain engagement
• Compatible with 525-pitch drive chains
• Lightweight construction reduces rotating mass for improved throttle response
• Direct OEM bolt-on fitment — no modifications required

The Vortex KV4-43 rear sprocket is an ideal upgrade for riders looking to fine-tune their motorcycle's acceleration and top-speed characteristics. The hard anodized aluminum construction keeps weight to a minimum while standing up to the rigors of street and track use.