Vortex 436KV4-40 VTX Aluminum Rear Sprocket 40T

The Vortex 436KV4-40 is a 40-tooth aluminum rear sprocket from Vortex's VTX series, engineered as a lightweight, high-performance replacement for OEM sprockets. Machined from 7075-T6 aluminum, this sprocket delivers significant weight savings over stock steel units without sacrificing durability, making it a popular upgrade for street and track riders alike.

Key Features:

• 40-tooth rear sprocket for precise final drive ratio tuning
• Machined from 7075-T6 aluminum for an optimal strength-to-weight ratio
• Hard anodized finish for corrosion resistance and extended wear life
• CNC precision machined to strict tolerances for smooth, consistent chain engagement
• Direct bolt-on replacement — no modifications required
• Part of Vortex's VTX aluminum sprocket lineup, trusted by racers and performance enthusiasts

The Vortex 436KV4-40 is a straightforward performance upgrade that reduces unsprung and rotating mass, contributing to improved throttle response and acceleration. Vortex sprockets are manufactured in the USA and are a staple in the powersports aftermarket for their quality and reliability.