Vortex 825ZUV4-42 Aluminum Rear Sprocket 42-Tooth 825 Pitch

The Vortex 825ZUV4-42 is a 42-tooth aluminum rear sprocket designed for riders who demand lightweight performance and precision engineering. CNC machined from 7075-T6 billet aluminum, this sprocket delivers an exceptional strength-to-weight ratio, significantly reducing rotating mass compared to stock steel sprockets for improved throttle response and acceleration.

Key Features:

• 42-Tooth, 825 Pitch rear sprocket for precise chain compatibility
• 7075-T6 billet aluminum construction — aerospace-grade alloy for maximum strength and light weight
• 100% CNC manufactured in the USA to the tightest tolerances
• Anodized finish resists corrosion and wear for long service life
• Vortex patented tooth profile engineered for increased sprocket longevity
• Reduces rotating mass for improved acceleration, deceleration, and handling
• ZUV4 carrier fitment series for proper hub compatibility

Vortex Racing has been a trusted name in motorcycle and powersports drivetrain components for over 15 years, producing race-proven parts used by top professional teams worldwide. The 825ZUV4-42 rear sprocket is a direct performance upgrade that delivers measurable gains on the street or track.