Vortex 628ZR-50 CAT5 Aluminum Rear Sprocket 50-Tooth Red

The Vortex 628ZR-50 is a 50-tooth CAT5 aluminum rear sprocket finished in red, engineered for riders who demand precision, performance, and reduced rotating mass. Manufactured 100% in the USA by Vortex Racing, this sprocket is a direct upgrade over heavy OEM steel chainwheels and is equally at home on the street or the track.

Key Features:

• 50-Tooth Rear Sprocket — 628 bolt pattern fitment for precise OEM-style installation
• CAT5 Aluminum Construction — CNC-machined from specially formulated 7075-T6 billet aluminum per Vortex specifications for an optimal strength-to-weight ratio
• Red Anodized Finish — Hard anodized color coating for corrosion resistance and striking appearance with contrasting silver machine cuts
• Patented Saber Tooth Groove Design — Vortex's unique tooth profile increases sprocket longevity and improves chain engagement
• Reduced Rotating Mass — Lightweight aluminum construction lowers rotational inertia, freeing up horsepower and improving throttle response
• 100% CNC Manufactured in the USA — Machined to tight tolerances for concentricity, strength, and quiet operation
• Race-Proven — Tested on track with feedback from professional race teams worldwide

Vortex Racing has been producing top-quality motorcycle racing components for Motocross, Supercross, Road Racing, Flat Track, and Street applications for over 15 years. The 628ZR-50 rear sprocket is an excellent choice for riders looking to fine-tune their gear ratio for improved low-end torque and acceleration while shedding weight from their drivetrain.