Vortex 170ZBV4-42 VTX Aluminum Rear Sprocket 42-Tooth

The Vortex 170ZBV4-42 is a 42-tooth aluminum rear sprocket from Vortex's popular VTX series, engineered for performance street and track riders who demand precision, lightweight construction, and reliable power transfer. Vortex sprockets are manufactured in the USA and are a trusted choice among racers and enthusiasts alike.

Key Features:

• 42-Tooth rear sprocket for fine-tuned gearing adjustments to suit your riding style or track conditions
• Constructed from high-strength 7075-T6 aluminum for an optimal balance of durability and weight savings over steel alternatives
• Hard anodized finish provides corrosion resistance and extends sprocket service life
• Precision CNC-machined for exact tooth profile and dimensional accuracy, ensuring smooth chain engagement
• Lightweight design reduces unsprung and rotating mass for improved throttle response and handling
• Fits BV4 carrier/bolt pattern — verify compatibility with your specific make and model before ordering
• Direct OEM replacement fit with no modifications required

Vortex is a leading American manufacturer of high-performance motorcycle drivetrain components. The VTX aluminum sprocket series offers an excellent upgrade from stock steel sprockets, delivering noticeable weight reduction without sacrificing strength for street or club racing applications.