Vortex 125ZB-40 Aluminum Rear Sprocket 40-Tooth

The Vortex 125ZB-40 is a 40-tooth aluminum rear sprocket engineered for high-performance motorcycle applications. Manufactured in the USA, this sprocket is CNC machined from a specially formulated aluminum alloy per Vortex's exacting specifications, delivering an exceptional balance of strength and weight savings over a comparable steel sprocket.

Key Features:

• 100% CNC machined in the USA for precise tolerances and consistent fitment
• Aerospace-grade aluminum alloy formulated to Vortex specifications for optimal strength-to-weight ratio
• Silver anodized finish to resist corrosion and maintain appearance
• Vortex patented tooth design with saber-tooth grooves for increased sprocket longevity and smooth chain engagement
• 40-tooth rear sprocket for precise gear ratio tuning
• Lightweight construction reduces rotational mass for improved throttle response and acceleration

Vortex Racing has been a trusted name in motorcycle performance components for over 15 years, supplying top professional race teams worldwide. The 125ZB-40 is the ideal upgrade for riders looking to replace worn OEM gearing or fine-tune their drive ratio for the track or street.