Vortex 190ZB-51 Black 51-Tooth Rear Sprocket

The Vortex Racing 190ZB-51 is a 51-tooth rear sprocket engineered for serious motorcycle racers and performance enthusiasts. Machined from lightweight 7075-T6 billet aluminum, this sprocket delivers an exceptional strength-to-weight ratio while reducing unsprung mass for improved handling and acceleration.

Finished in a durable black anodized coating, the 190ZB-51 resists corrosion and wear under demanding track and street conditions. Vortex's patented tooth geometry is designed to maximize chain engagement, reduce drivetrain wear, and extend the service life of both the sprocket and chain.

Key Features:

• 51-Tooth rear sprocket for increased low-end torque and acceleration
• CNC-machined from 7075-T6 billet aluminum for maximum strength and minimal weight
• Black anodized finish for corrosion resistance and lasting good looks
• Vortex patented sprocket design with unique tooth profile for increased longevity
• 100% CNC machined to tight tolerances for precise fitment
• Tested by professional race teams in Motocross, Supercross, and Road Racing

Vortex Racing has been a trusted name in U.S.-based motorcycle racing components for over 15 years, supplying top professional race teams worldwide. The 190ZB-51 sprocket is an ideal upgrade for riders looking to fine-tune their gearing for maximum performance on the track or street.